23112164 has 6 divisors (see below), whose sum is σ = 40446294. Its totient is φ = 11556080.

The previous prime is 23112157. The next prime is 23112179. The reversal of 23112164 is 46121132.

It can be written as a sum of positive squares in only one way, i.e., 21529600 + 1582564 = 4640^2 + 1258^2 .

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 as a sum of consecutive naturals, namely, 2889017 + ... + 2889024.

It is an arithmetic number, because the mean of its divisors is an integer number (6741049).

Almost surely, 2^23112164 is an apocalyptic number.

It is an amenable number.

23112164 is a deficient number, since it is larger than the sum of its proper divisors (17334130).

23112164 is a wasteful number, since it uses less digits than its factorization.

23112164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778045 (or 5778043 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 23112164 is about 4807.5112064352. The cubic root of 23112164 is about 284.8482376579.

Adding to 23112164 its reverse (46121132), we get a palindrome (69233296).

The spelling of 23112164 in words is "twenty-three million, one hundred twelve thousand, one hundred sixty-four".