23133113331012 has 18 divisors (see below), whose sum is σ = 58475369809038. Its totient is φ = 7711037776992.

The previous prime is 23133113330917. The next prime is 23133113331023. The reversal of 23133113331012 is 21013331133132.

23133113331012 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 311 + 3 + 331 + 0 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14077624064256 + 9055489266756 = 3752016^2 + 3009234^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×23133113331012² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321293240673 + ... + 321293240744.

Almost surely, 2^{23133113331012} is an apocalyptic number.

It is an amenable number.

23133113331012 is an abundant number, since it is smaller than the sum of its proper divisors (35342256478026).

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

23133113331012 is a wasteful number, since it uses less digits than its factorization.

23133113331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642586481427 (or 642586481422 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 23133113331012 its reverse (21013331133132), we get a palindrome (44146444464144).

The spelling of 23133113331012 in words is "twenty-three trillion, one hundred thirty-three billion, one hundred thirteen million, three hundred thirty-one thousand, twelve".