123204044344403 has 16 divisors (see below), whose sum is σ = 135463627653120. Its totient is φ = 111121008868800.

The previous prime is 123204044344331. The next prime is 123204044344427. The reversal of 123204044344403 is 304443440402321.

It is a cyclic number.

It is not a de Polignac number, because 123204044344403 - 2²⁸ = 123203775908947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123204044344103) 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, 396814943 + ... + 397125303.

It is an arithmetic number, because the mean of its divisors is an integer number (8466476728320).

Almost surely, 2^{123204044344403} is an apocalyptic number.

123204044344403 is a deficient number, since it is larger than the sum of its proper divisors (12259583308717).

123204044344403 is a wasteful number, since it uses less digits than its factorization.

123204044344403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594658.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 123204044344403 its reverse (304443440402321), we get a palindrome (427647484746724).

The spelling of 123204044344403 in words is "one hundred twenty-three trillion, two hundred four billion, forty-four million, three hundred forty-four thousand, four hundred three".