23131312132 has 12 divisors (see below), whose sum is σ = 40798535680. Its totient is φ = 11474587656.

The previous prime is 23131312121. The next prime is 23131312133. The reversal of 23131312132 is 23121313132.

It is not an unprimeable number, because it can be changed into a prime (23131312133) 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, 22766532 + ... + 22767547.

Almost surely, 2^23131312132 is an apocalyptic number.

It is an amenable number.

23131312132 is a deficient number, since it is larger than the sum of its proper divisors (17667223548).

23131312132 is a wasteful number, since it uses less digits than its factorization.

23131312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45534210 (or 45534208 counting only the distinct ones).

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

Adding to 23131312132 its reverse (23121313132), we get a palindrome (46252625264).

The spelling of 23131312132 in words is "twenty-three billion, one hundred thirty-one million, three hundred twelve thousand, one hundred thirty-two".