123716036811720 has 64 divisors (see below), whose sum is σ = 372199521640320. Its totient is φ = 32897484376064.

The previous prime is 123716036811673. The next prime is 123716036811737. The reversal of 123716036811720 is 27118630617321.

It is a self number, because there is not a number n which added to its sum of digits gives 123716036811720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460250804 + ... + 1460335523.

It is an arithmetic number, because the mean of its divisors is an integer number (5815617525630).

Almost surely, 2^{123716036811720} is an apocalyptic number.

123716036811720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123716036811720 is an abundant number, since it is smaller than the sum of its proper divisors (248483484828600).

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

123716036811720 is a wasteful number, since it uses less digits than its factorization.

123716036811720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920586694 (or 2920586690 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 123716036811720 in words is "one hundred twenty-three trillion, seven hundred sixteen billion, thirty-six million, eight hundred eleven thousand, seven hundred twenty".