23813572 has 12 divisors (see below), whose sum is σ = 42643216. Its totient is φ = 11629800.

The previous prime is 23813567. The next prime is 23813591. The reversal of 23813572 is 27531832.

It is a super-2 number, since 2×23813572² = 1134172422798368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 69054 + ... + 69397.

Almost surely, 2^23813572 is an apocalyptic number.

It is an amenable number.

23813572 is a deficient number, since it is larger than the sum of its proper divisors (18829644).

23813572 is a wasteful number, since it uses less digits than its factorization.

23813572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138498 (or 138496 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 23813572 is about 4879.9151631970. The cubic root of 23813572 is about 287.7010948481.

The spelling of 23813572 in words is "twenty-three million, eight hundred thirteen thousand, five hundred seventy-two".