23115320454255 has 16 divisors (see below), whose sum is σ = 37611368876160. Its totient is φ = 12119218859168.

The previous prime is 23115320454221. The next prime is 23115320454257. The reversal of 23115320454255 is 55245402351132.

It is a cyclic number.

It is not a de Polignac number, because 23115320454255 - 2²⁰ = 23115319405679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115320454257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13059502197 + ... + 13059503966.

It is an arithmetic number, because the mean of its divisors is an integer number (2350710554760).

Almost surely, 2^{23115320454255} is an apocalyptic number.

23115320454255 is a deficient number, since it is larger than the sum of its proper divisors (14496048421905).

23115320454255 is a wasteful number, since it uses less digits than its factorization.

23115320454255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26119006230.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 23115320454255 in words is "twenty-three trillion, one hundred fifteen billion, three hundred twenty million, four hundred fifty-four thousand, two hundred fifty-five".