123229877688351 has 40 divisors (see below), whose sum is σ = 221454602455680. Its totient is φ = 66710911223952.

The previous prime is 123229877688343. The next prime is 123229877688461. The reversal of 123229877688351 is 153886778922321.

It is a happy number.

123229877688351 is a `hidden beast` number, since 1 + 2 + 32 + 29 + 87 + 76 + 88 + 351 = 666.

It is not a de Polignac number, because 123229877688351 - 2³ = 123229877688343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123229877688351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123229877688331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5719374621 + ... + 5719396166.

It is an arithmetic number, because the mean of its divisors is an integer number (5536365061392).

Almost surely, 2^{123229877688351} is an apocalyptic number.

123229877688351 is a deficient number, since it is larger than the sum of its proper divisors (98224724767329).

123229877688351 is a wasteful number, since it uses less digits than its factorization.

123229877688351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438770825 (or 11438770816 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 72.

The spelling of 123229877688351 in words is "one hundred twenty-three trillion, two hundred twenty-nine billion, eight hundred seventy-seven million, six hundred eighty-eight thousand, three hundred fifty-one".