23832531 has 12 divisors (see below), whose sum is σ = 35921808. Its totient is φ = 15197424.

The previous prime is 23832493. The next prime is 23832533. The reversal of 23832531 is 13523832.

It is not a de Polignac number, because 23832531 - 2¹⁸ = 23570387 is a prime.

It is a super-2 number, since 2×23832531² = 1135979067731922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23832495 and 23832504.

It is not an unprimeable number, because it can be changed into a prime (23832533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57360 + ... + 57773.

It is an arithmetic number, because the mean of its divisors is an integer number (2993484).

Almost surely, 2^23832531 is an apocalyptic number.

23832531 is a deficient number, since it is larger than the sum of its proper divisors (12089277).

23832531 is a wasteful number, since it uses less digits than its factorization.

23832531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115162 (or 115159 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 23832531 is about 4881.8573309756. The cubic root of 23832531 is about 287.7774249645. Note that the first 3 decimals are identical.

The spelling of 23832531 in words is "twenty-three million, eight hundred thirty-two thousand, five hundred thirty-one".