23213144312 has 64 divisors (see below), whose sum is σ = 45949939200. Its totient is φ = 10972086400.

The previous prime is 23213144267. The next prime is 23213144321. The reversal of 23213144312 is 21344131232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17598389 + ... + 17599707.

It is an arithmetic number, because the mean of its divisors is an integer number (717967800).

Almost surely, 2^23213144312 is an apocalyptic number.

It is an amenable number.

23213144312 is a deficient number, since it is larger than the sum of its proper divisors (22736794888).

23213144312 is a wasteful number, since it uses less digits than its factorization.

23213144312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2392 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 23213144312 its reverse (21344131232), we get a palindrome (44557275544).

The spelling of 23213144312 in words is "twenty-three billion, two hundred thirteen million, one hundred forty-four thousand, three hundred twelve".