23155207790764 has 36 divisors (see below), whose sum is σ = 47936326079880. Its totient is φ = 9755462841600.

The previous prime is 23155207790731. The next prime is 23155207790843. The reversal of 23155207790764 is 46709770255132.

It is a junction number, because it is equal to n+sod(n) for n = 23155207790699 and 23155207790708.

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, 1001164837 + ... + 1001187964.

It is an arithmetic number, because the mean of its divisors is an integer number (1331564613330).

Almost surely, 2^{23155207790764} is an apocalyptic number.

It is an amenable number.

23155207790764 is an abundant number, since it is smaller than the sum of its proper divisors (24781118289116).

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

23155207790764 is a wasteful number, since it uses less digits than its factorization.

23155207790764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002352878 (or 2002352869 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 23155207790764 in words is "twenty-three trillion, one hundred fifty-five billion, two hundred seven million, seven hundred ninety thousand, seven hundred sixty-four".