23131224115552 has 24 divisors (see below), whose sum is σ = 52045254260496. Its totient is φ = 9913381763712.

The previous prime is 23131224115541. The next prime is 23131224115609. The reversal of 23131224115552 is 25551142213132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51632196463 + ... + 51632196910.

It is an arithmetic number, because the mean of its divisors is an integer number (2168552260854).

Almost surely, 2^{23131224115552} is an apocalyptic number.

It is an amenable number.

23131224115552 is an abundant number, since it is smaller than the sum of its proper divisors (28914030144944).

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

23131224115552 is a wasteful number, since it uses less digits than its factorization.

23131224115552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103264393390 (or 103264393382 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

Adding to 23131224115552 its reverse (25551142213132), we get a palindrome (48682366328684).

The spelling of 23131224115552 in words is "twenty-three trillion, one hundred thirty-one billion, two hundred twenty-four million, one hundred fifteen thousand, five hundred fifty-two".