23045872 has 20 divisors (see below), whose sum is σ = 45410040. Its totient is φ = 11327168.

The previous prime is 23045837. The next prime is 23045899. The reversal of 23045872 is 27854032.

It is a super-2 number, since 2×23045872² = 1062224432480768, which contains 22 as substring.

It is a congruent number.

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, 11263 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (2270502).

Almost surely, 2^23045872 is an apocalyptic number.

It is an amenable number.

23045872 is a deficient number, since it is larger than the sum of its proper divisors (22364168).

23045872 is a wasteful number, since it uses less digits than its factorization.

23045872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24480 (or 24474 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 23045872 is about 4800.6116276991. The cubic root of 23045872 is about 284.5756360066.

The spelling of 23045872 in words is "twenty-three million, forty-five thousand, eight hundred seventy-two".