23111164 has 12 divisors (see below), whose sum is σ = 40899600. Its totient is φ = 11425568.

The previous prime is 23111149. The next prime is 23111183. The reversal of 23111164 is 46111132.

It is a congruent number.

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, 32104 + ... + 32815.

It is an arithmetic number, because the mean of its divisors is an integer number (3408300).

Almost surely, 2^23111164 is an apocalyptic number.

It is an amenable number.

23111164 is a deficient number, since it is larger than the sum of its proper divisors (17788436).

23111164 is a wasteful number, since it uses less digits than its factorization.

23111164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65012 (or 65010 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 23111164 is about 4807.4072013925. The cubic root of 23111164 is about 284.8441293978.

Adding to 23111164 its reverse (46111132), we get a palindrome (69222296).

The spelling of 23111164 in words is "twenty-three million, one hundred eleven thousand, one hundred sixty-four".