123430302431664 has 80 divisors (see below), whose sum is σ = 339385815060480. Its totient is φ = 38520492651520.

The previous prime is 123430302431663. The next prime is 123430302431669. The reversal of 123430302431664 is 466134203034321.

It is not an unprimeable number, because it can be changed into a prime (123430302431663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395819604 + ... + 396131315.

It is an arithmetic number, because the mean of its divisors is an integer number (4242322688256).

Almost surely, 2^{123430302431664} is an apocalyptic number.

It is an amenable number.

123430302431664 is an abundant number, since it is smaller than the sum of its proper divisors (215955512628816).

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

123430302431664 is a wasteful number, since it uses less digits than its factorization.

123430302431664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791951138 (or 791951132 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 123430302431664 its reverse (466134203034321), we get a palindrome (589564505465985).

The spelling of 123430302431664 in words is "one hundred twenty-three trillion, four hundred thirty billion, three hundred two million, four hundred thirty-one thousand, six hundred sixty-four".