23131132123012 has 12 divisors (see below), whose sum is σ = 40480112667456. Its totient is φ = 11565385646600.

The previous prime is 23131132122997. The next prime is 23131132123013. The reversal of 23131132123012 is 21032123113132.

It is not an unprimeable number, because it can be changed into a prime (23131132123013) 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, 44815048 + ... + 45328255.

It is an arithmetic number, because the mean of its divisors is an integer number (3373342722288).

Almost surely, 2^{23131132123012} is an apocalyptic number.

It is an amenable number.

23131132123012 is a deficient number, since it is larger than the sum of its proper divisors (17348980544444).

23131132123012 is a wasteful number, since it uses less digits than its factorization.

23131132123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90207458 (or 90207456 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23131132123012 its reverse (21032123113132), we get a palindrome (44163255236144).

The spelling of 23131132123012 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-three thousand, twelve".