423

423 is an odd composite number composed of two prime numbers multiplied together.

What does the number 423 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

423 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 423:

3² × 47

(3 × 3 × 47)

See below for interesting mathematical facts about the number 423 from the Numbermatics database.

Names of 423

Cardinal: 423 can be written as Four hundred twenty-three.

Scientific notation

Scientific notation: 4.23 × 10²

Factors of 423

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 50

Divisors of 423

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 47 141 423
Sum of all divisors σ(n): 624
Sum of proper divisors (its aliquot sum) s(n): 201
423 is a deficient number, because the sum of its proper divisors (201) is less than itself. Its deficiency is 222

Bases of 423

Binary: 110100111₂
Hexadecimal: 0x1A7
Base-36: BR

Squares and roots of 423

423 squared (423²) is 178929
423 cubed (423³) is 75686967
The square root of 423 is 20.5669638013
The cube root of 423 is 7.5066607495

Scales and comparisons

How big is 423?

423 seconds is equal to 7 minutes, 3 seconds.
To count from 1 to 423 would take you about three minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 423 cubic inches would be around 0.6 feet tall.

Recreational maths with 423

423 backwards is 324
423 is a Harshad number.
The number of decimal digits it has is: 3
The sum of 423's digits is 9
More coming soon!

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The information we have on file for 423 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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