23505164 has 12 divisors (see below), whose sum is σ = 41373024. Its totient is φ = 11684304.

The previous prime is 23505143. The next prime is 23505173. The reversal of 23505164 is 46150532.

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, 16292 + ... + 17675.

It is an arithmetic number, because the mean of its divisors is an integer number (3447752).

Almost surely, 2^23505164 is an apocalyptic number.

It is an amenable number.

23505164 is a deficient number, since it is larger than the sum of its proper divisors (17867860).

23505164 is a wasteful number, since it uses less digits than its factorization.

23505164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34144 (or 34142 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 23505164 is about 4848.2124540907. The cubic root of 23505164 is about 286.4536949511.

Adding to 23505164 its reverse (46150532), we get a palindrome (69655696).

The spelling of 23505164 in words is "twenty-three million, five hundred five thousand, one hundred sixty-four".