123242504013044 has 36 divisors (see below), whose sum is σ = 233543986505676. Its totient is φ = 56880403676928.

The previous prime is 123242504013007. The next prime is 123242504013071. The reversal of 123242504013044 is 440310405242321.

It can be written as a sum of positive squares in 6 ways, for example, as 28479833222500 + 94762670790544 = 5336650^2 + 9734612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123242504012995 and 123242504013013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51678872 + ... + 54011024.

It is an arithmetic number, because the mean of its divisors is an integer number (6487332958491).

Almost surely, 2^{123242504013044} is an apocalyptic number.

It is an amenable number.

123242504013044 is a deficient number, since it is larger than the sum of its proper divisors (110301482492632).

123242504013044 is a wasteful number, since it uses less digits than its factorization.

123242504013044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410356 (or 2410341 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 123242504013044 its reverse (440310405242321), we get a palindrome (563552909255365).

The spelling of 123242504013044 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred four million, thirteen thousand, forty-four".