23120564 has 12 divisors (see below), whose sum is σ = 40557888. Its totient is φ = 11532600.

The previous prime is 23120557. The next prime is 23120599. The reversal of 23120564 is 46502132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4982 + ... + 8429.

It is an arithmetic number, because the mean of its divisors is an integer number (3379824).

Almost surely, 2^23120564 is an apocalyptic number.

It is an amenable number.

23120564 is a deficient number, since it is larger than the sum of its proper divisors (17437324).

23120564 is a wasteful number, since it uses less digits than its factorization.

23120564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13846 (or 13844 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23120564 is about 4808.3847599792. The cubic root of 23120564 is about 284.8827423655.

Adding to 23120564 its reverse (46502132), we get a palindrome (69622696).

The spelling of 23120564 in words is "twenty-three million, one hundred twenty thousand, five hundred sixty-four".