23431872 has 28 divisors (see below), whose sum is σ = 61997336. Its totient is φ = 7810560.

The previous prime is 23431853. The next prime is 23431901. The reversal of 23431872 is 27813432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60829 + ... + 61212.

Almost surely, 2^23431872 is an apocalyptic number.

It is an amenable number.

23431872 is an abundant number, since it is smaller than the sum of its proper divisors (38565464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431872 is a wasteful number, since it uses less digits than its factorization.

23431872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122056 (or 122046 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 23431872 is about 4840.6478905204. The cubic root of 23431872 is about 286.1556523095.

The spelling of 23431872 in words is "twenty-three million, four hundred thirty-one thousand, eight hundred seventy-two".