23132164 has 12 divisors (see below), whose sum is σ = 44161488. Its totient is φ = 10514600.

The previous prime is 23132147. The next prime is 23132171. The reversal of 23132164 is 46123132.

It is a super-2 number, since 2×23132164² = 1070194022645792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 262822 + ... + 262909.

It is an arithmetic number, because the mean of its divisors is an integer number (3680124).

Almost surely, 2^23132164 is an apocalyptic number.

It is an amenable number.

23132164 is a deficient number, since it is larger than the sum of its proper divisors (21029324).

23132164 is a wasteful number, since it uses less digits than its factorization.

23132164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525746 (or 525744 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 23132164 is about 4809.5908349879. The cubic root of 23132164 is about 284.9303779869.

Adding to 23132164 its reverse (46123132), we get a palindrome (69255296).

The spelling of 23132164 in words is "twenty-three million, one hundred thirty-two thousand, one hundred sixty-four".