23103131212312 has 16 divisors (see below), whose sum is σ = 43429729309200. Its totient is φ = 11521870063200.

The previous prime is 23103131212297. The next prime is 23103131212321. The reversal of 23103131212312 is 21321213130132.

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, 3711939564 + ... + 3711945787.

It is an arithmetic number, because the mean of its divisors is an integer number (2714358081825).

Almost surely, 2^{23103131212312} is an apocalyptic number.

It is an amenable number.

23103131212312 is a deficient number, since it is larger than the sum of its proper divisors (20326598096888).

23103131212312 is a wasteful number, since it uses less digits than its factorization.

23103131212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423885746 (or 7423885742 counting only the distinct ones).

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

Adding to 23103131212312 its reverse (21321213130132), we get a palindrome (44424344342444).

The spelling of 23103131212312 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-one million, two hundred twelve thousand, three hundred twelve".