23272156 has 12 divisors (see below), whose sum is σ = 40771192. Its totient is φ = 11623248.

The previous prime is 23272127. The next prime is 23272157. The reversal of 23272156 is 65127232.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23272157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711 + ... + 7033.

Almost surely, 2^23272156 is an apocalyptic number.

It is an amenable number.

23272156 is a deficient number, since it is larger than the sum of its proper divisors (17499036).

23272156 is a wasteful number, since it uses less digits than its factorization.

23272156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420 (or 6418 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 23272156 is about 4824.1223035906. The cubic root of 23272156 is about 285.5040060862.

Adding to 23272156 its reverse (65127232), we get a palindrome (88399388).

The spelling of 23272156 in words is "twenty-three million, two hundred seventy-two thousand, one hundred fifty-six".