23156932 has 6 divisors (see below), whose sum is σ = 40524638. Its totient is φ = 11578464.

The previous prime is 23156911. The next prime is 23156933. The reversal of 23156932 is 23965132.

It can be written as a sum of positive squares in only one way, i.e., 13133376 + 10023556 = 3624^2 + 3166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23156894 and 23156903.

It is not an unprimeable number, because it can be changed into a prime (23156933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894613 + ... + 2894620.

Almost surely, 2^23156932 is an apocalyptic number.

It is an amenable number.

23156932 is a deficient number, since it is larger than the sum of its proper divisors (17367706).

23156932 is a wasteful number, since it uses less digits than its factorization.

23156932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789237 (or 5789235 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 23156932 is about 4812.1650013274. The cubic root of 23156932 is about 285.0320349750.

The spelling of 23156932 in words is "twenty-three million, one hundred fifty-six thousand, nine hundred thirty-two".