23231131312 has 40 divisors (see below), whose sum is σ = 47685309552. Its totient is φ = 10926028800.

The previous prime is 23231131309. The next prime is 23231131321. The reversal of 23231131312 is 21313113232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469012 + ... + 516172.

Almost surely, 2^23231131312 is an apocalyptic number.

It is an amenable number.

23231131312 is an abundant number, since it is smaller than the sum of its proper divisors (24454178240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23231131312 is a wasteful number, since it uses less digits than its factorization.

23231131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48997 (or 48991 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 23231131312 its reverse (21313113232), we get a palindrome (44544244544).

The spelling of 23231131312 in words is "twenty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred twelve".