23151112251312 has 40 divisors (see below), whose sum is σ = 60935474705904. Its totient is φ = 7571432936704.

The previous prime is 23151112251299. The next prime is 23151112251329. The reversal of 23151112251312 is 21315221115132.

It is a self number, because there is not a number n which added to its sum of digits gives 23151112251312.

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, 4550137443 + ... + 4550142530.

Almost surely, 2^{23151112251312} is an apocalyptic number.

It is an amenable number.

23151112251312 is an abundant number, since it is smaller than the sum of its proper divisors (37784362454592).

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

23151112251312 is a wasteful number, since it uses less digits than its factorization.

23151112251312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100280037 (or 9100280031 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

Adding to 23151112251312 its reverse (21315221115132), we get a palindrome (44466333366444).

The spelling of 23151112251312 in words is "twenty-three trillion, one hundred fifty-one billion, one hundred twelve million, two hundred fifty-one thousand, three hundred twelve".