23121188523264 has 72 divisors (see below), whose sum is σ = 66269624505952. Its totient is φ = 7114211850240.

The previous prime is 23121188523253. The next prime is 23121188523269. The reversal of 23121188523264 is 46232588112132.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121188523269) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1157902102 + ... + 1157922069.

Almost surely, 2^{23121188523264} is an apocalyptic number.

23121188523264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23121188523264 is an abundant number, since it is smaller than the sum of its proper divisors (43148435982688).

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

23121188523264 is a wasteful number, since it uses less digits than its factorization.

23121188523264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315824203 (or 2315824189 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The spelling of 23121188523264 in words is "twenty-three trillion, one hundred twenty-one billion, one hundred eighty-eight million, five hundred twenty-three thousand, two hundred sixty-four".