123544005500344 has 64 divisors (see below), whose sum is σ = 272238935472000. Its totient is φ = 51818256001920.

The previous prime is 123544005500309. The next prime is 123544005500353. The reversal of 123544005500344 is 443005500445321.

It is a junction number, because it is equal to n+sod(n) for n = 123544005500297 and 123544005500306.

It is a congruent number.

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, 15929554 + ... + 22379425.

It is an arithmetic number, because the mean of its divisors is an integer number (4253733366750).

Almost surely, 2^{123544005500344} is an apocalyptic number.

It is an amenable number.

123544005500344 is an abundant number, since it is smaller than the sum of its proper divisors (148694929971656).

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

123544005500344 is a wasteful number, since it uses less digits than its factorization.

123544005500344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38311828 (or 38311824 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 123544005500344 its reverse (443005500445321), we get a palindrome (566549505945665).

The spelling of 123544005500344 in words is "one hundred twenty-three trillion, five hundred forty-four billion, five million, five hundred thousand, three hundred forty-four".