23311003122012 has 24 divisors (see below), whose sum is σ = 54434472598912. Its totient is φ = 7764315519600.

The previous prime is 23311003122007. The next prime is 23311003122041. The reversal of 23311003122012 is 21022130011332.

It is a self number, because there is not a number n which added to its sum of digits gives 23311003122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752340664 + ... + 752371647.

Almost surely, 2^{23311003122012} is an apocalyptic number.

It is an amenable number.

23311003122012 is an abundant number, since it is smaller than the sum of its proper divisors (31123469476900).

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

23311003122012 is a wasteful number, since it uses less digits than its factorization.

23311003122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504713609 (or 1504713607 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23311003122012 its reverse (21022130011332), we get a palindrome (44333133133344).

The spelling of 23311003122012 in words is "twenty-three trillion, three hundred eleven billion, three million, one hundred twenty-two thousand, twelve".