23212312 has 16 divisors (see below), whose sum is σ = 43576200. Its totient is φ = 11592000.

The previous prime is 23212297. The next prime is 23212331. The reversal of 23212312 is 21321232.

It is a super-2 number, since 2×23212312² = 1077622856770688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9187 + ... + 11437.

Almost surely, 2^23212312 is an apocalyptic number.

It is an amenable number.

23212312 is a deficient number, since it is larger than the sum of its proper divisors (20363888).

23212312 is a wasteful number, since it uses less digits than its factorization.

23212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546 (or 3542 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 23212312 is about 4817.9157319322. The cubic root of 23212312 is about 285.2590729293.

Adding to 23212312 its reverse (21321232), we get a palindrome (44533544).

It can be divided in two parts, 232 and 12312, that added together give a square (12544 = 112²).

The spelling of 23212312 in words is "twenty-three million, two hundred twelve thousand, three hundred twelve".