123336264128780 has 24 divisors (see below), whose sum is σ = 259371466625040. Its totient is φ = 49264922422080.

The previous prime is 123336264128717. The next prime is 123336264128807. The reversal of 123336264128780 is 87821462633321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348937306 + ... + 4348965665.

It is an arithmetic number, because the mean of its divisors is an integer number (10807144442710).

Almost surely, 2^{123336264128780} is an apocalyptic number.

123336264128780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123336264128780 is an abundant number, since it is smaller than the sum of its proper divisors (136035202496260).

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

123336264128780 is a wasteful number, since it uses less digits than its factorization.

123336264128780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697903689 (or 8697903687 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 123336264128780 in words is "one hundred twenty-three trillion, three hundred thirty-six billion, two hundred sixty-four million, one hundred twenty-eight thousand, seven hundred eighty".