23213132312 has 16 divisors (see below), whose sum is σ = 43610140800. Its totient is φ = 11583761440.

The previous prime is 23213132309. The next prime is 23213132347. The reversal of 23213132312 is 21323131232.

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, 2846264 + ... + 2854407.

It is an arithmetic number, because the mean of its divisors is an integer number (2725633800).

Almost surely, 2^23213132312 is an apocalyptic number.

It is an amenable number.

23213132312 is a deficient number, since it is larger than the sum of its proper divisors (20397008488).

23213132312 is a wasteful number, since it uses less digits than its factorization.

23213132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701186 (or 5701182 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 23213132312 its reverse (21323131232), we get a palindrome (44536263544).

The spelling of 23213132312 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred twelve".