123544530040983 has 32 divisors (see below), whose sum is σ = 169435725532416. Its totient is φ = 80015031353088.

The previous prime is 123544530040979. The next prime is 123544530040999. The reversal of 123544530040983 is 389040035445321.

It is not a de Polignac number, because 123544530040983 - 2² = 123544530040979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123544530041983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240663660 + ... + 241176462.

It is an arithmetic number, because the mean of its divisors is an integer number (5294866422888).

Almost surely, 2^{123544530040983} is an apocalyptic number.

123544530040983 is a deficient number, since it is larger than the sum of its proper divisors (45891195491433).

123544530040983 is a wasteful number, since it uses less digits than its factorization.

123544530040983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516143.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 123544530040983 in words is "one hundred twenty-three trillion, five hundred forty-four billion, five hundred thirty million, forty thousand, nine hundred eighty-three".