23231164 has 12 divisors (see below), whose sum is σ = 44350488. Its totient is φ = 10559600.

The previous prime is 23231161. The next prime is 23231171. The reversal of 23231164 is 46113232.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263947 + ... + 264034.

It is an arithmetic number, because the mean of its divisors is an integer number (3695874).

Almost surely, 2^23231164 is an apocalyptic number.

It is an amenable number.

23231164 is a deficient number, since it is larger than the sum of its proper divisors (21119324).

23231164 is a wasteful number, since it uses less digits than its factorization.

23231164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527996 (or 527994 counting only the distinct ones).

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

The square root of 23231164 is about 4819.8717825270. The cubic root of 23231164 is about 285.3362769128.

Adding to 23231164 its reverse (46113232), we get a palindrome (69344396).

The spelling of 23231164 in words is "twenty-three million, two hundred thirty-one thousand, one hundred sixty-four".