18407911340223 has 48 divisors (see below), whose sum is σ = 27416266525440. Its totient is φ = 11896280448000.

The previous prime is 18407911340179. The next prime is 18407911340237. The reversal of 18407911340223 is 32204311970481.

18407911340223 is a `hidden beast` number, since 1 + 8 + 4 + 0 + 79 + 11 + 340 + 223 = 666.

It is not a de Polignac number, because 18407911340223 - 2¹² = 18407911336127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18407911340293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22677943 + ... + 23475623.

It is an arithmetic number, because the mean of its divisors is an integer number (571172219280).

Almost surely, 2^{18407911340223} is an apocalyptic number.

18407911340223 is a deficient number, since it is larger than the sum of its proper divisors (9008355185217).

18407911340223 is a wasteful number, since it uses less digits than its factorization.

18407911340223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798320 (or 798317 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 18407911340223 in words is "eighteen trillion, four hundred seven billion, nine hundred eleven million, three hundred forty thousand, two hundred twenty-three".