23207277755 has 4 divisors (see below), whose sum is σ = 27848733312. Its totient is φ = 18565822200.

The previous prime is 23207277739. The next prime is 23207277781. The reversal of 23207277755 is 55777270232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23207277755 - 2⁴ = 23207277739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320727771 + ... + 2320727780.

It is an arithmetic number, because the mean of its divisors is an integer number (6962183328).

Almost surely, 2^23207277755 is an apocalyptic number.

23207277755 is a deficient number, since it is larger than the sum of its proper divisors (4641455557).

23207277755 is an equidigital number, since it uses as much as digits as its factorization.

23207277755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641455556.

The product of its (nonzero) digits is 1440600, while the sum is 47.

The spelling of 23207277755 in words is "twenty-three billion, two hundred seven million, two hundred seventy-seven thousand, seven hundred fifty-five".