23455315307765 has 32 divisors (see below), whose sum is σ = 31478680961280. Its totient is φ = 16629317900800.

The previous prime is 23455315307701. The next prime is 23455315307833. The reversal of 23455315307765 is 56770351355432.

It is not a de Polignac number, because 23455315307765 - 2⁶ = 23455315307701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23455315307765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192985 + ... + 6952254.

It is an arithmetic number, because the mean of its divisors is an integer number (983708780040).

Almost surely, 2^{23455315307765} is an apocalyptic number.

It is an amenable number.

23455315307765 is a deficient number, since it is larger than the sum of its proper divisors (8023365653515).

23455315307765 is a wasteful number, since it uses less digits than its factorization.

23455315307765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146573.

The product of its (nonzero) digits is 39690000, while the sum is 56.

The spelling of 23455315307765 in words is "twenty-three trillion, four hundred fifty-five billion, three hundred fifteen million, three hundred seven thousand, seven hundred sixty-five".