23132656 has 20 divisors (see below), whose sum is σ = 44896432. Its totient is φ = 11546496.

The previous prime is 23132653. The next prime is 23132689. The reversal of 23132656 is 65623132.

It is a super-2 number, since 2×23132656² = 1070239547228672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132653) 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, 14221 + ... + 15763.

Almost surely, 2^23132656 is an apocalyptic number.

It is an amenable number.

23132656 is a deficient number, since it is larger than the sum of its proper divisors (21763776).

23132656 is a wasteful number, since it uses less digits than its factorization.

23132656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2482 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 23132656 is about 4809.6419825180. The cubic root of 23132656 is about 284.9323980422.

Adding to 23132656 its reverse (65623132), we get a palindrome (88755788).

The spelling of 23132656 in words is "twenty-three million, one hundred thirty-two thousand, six hundred fifty-six".