23321164 has 12 divisors (see below), whose sum is σ = 41371624. Its totient is φ = 11500704.

The previous prime is 23321153. The next prime is 23321173. The reversal of 23321164 is 46112332.

It is an unprimeable number.

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, 39642 + ... + 40225.

Almost surely, 2^23321164 is an apocalyptic number.

It is an amenable number.

23321164 is a deficient number, since it is larger than the sum of its proper divisors (18050460).

23321164 is a wasteful number, since it uses less digits than its factorization.

23321164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79944 (or 79942 counting only the distinct ones).

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

The square root of 23321164 is about 4829.1991054418. The cubic root of 23321164 is about 285.7042764589.

Adding to 23321164 its reverse (46112332), we get a palindrome (69433496).

The spelling of 23321164 in words is "twenty-three million, three hundred twenty-one thousand, one hundred sixty-four".