23120772265755 has 12 divisors (see below), whose sum is σ = 40076005260720. Its totient is φ = 12331078541712.

The previous prime is 23120772265733. The next prime is 23120772265831. The reversal of 23120772265755 is 55756227702132.

23120772265755 is a `hidden beast` number, since 2 + 312 + 0 + 7 + 7 + 226 + 57 + 55 = 666.

It is not a de Polignac number, because 23120772265755 - 2⁸ = 23120772265499 is a prime.

It is a super-2 number, since 2×23120772265755² (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 11 ways as a sum of consecutive naturals, for example, 256897469575 + ... + 256897469664.

It is an arithmetic number, because the mean of its divisors is an integer number (3339667105060).

Almost surely, 2^{23120772265755} is an apocalyptic number.

23120772265755 is a deficient number, since it is larger than the sum of its proper divisors (16955232994965).

23120772265755 is a wasteful number, since it uses less digits than its factorization.

23120772265755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513794939250 (or 513794939247 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 54.

Adding to 23120772265755 its reverse (55756227702132), we get a palindrome (78876999967887).

The spelling of 23120772265755 in words is "twenty-three trillion, one hundred twenty billion, seven hundred seventy-two million, two hundred sixty-five thousand, seven hundred fifty-five".