23688472 has 16 divisors (see below), whose sum is σ = 44467560. Its totient is φ = 11830464.

The previous prime is 23688451. The next prime is 23688479. The reversal of 23688472 is 27488632.

It is a super-2 number, since 2×23688472² = 1122287411389568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23688479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12363 + ... + 14149.

Almost surely, 2^23688472 is an apocalyptic number.

It is an amenable number.

23688472 is a deficient number, since it is larger than the sum of its proper divisors (20779088).

23688472 is a wasteful number, since it uses less digits than its factorization.

23688472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3446 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 23688472 is about 4867.0804390312. The cubic root of 23688472 is about 287.1964160290.

The spelling of 23688472 in words is "twenty-three million, six hundred eighty-eight thousand, four hundred seventy-two".