123220331003123 has 16 divisors (see below), whose sum is σ = 124454262067200. Its totient is φ = 121993017030720.

The previous prime is 123220331003111. The next prime is 123220331003167. The reversal of 123220331003123 is 321300133022321.

It is a cyclic number.

It is not a de Polignac number, because 123220331003123 - 2¹⁰ = 123220331002099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123220331003092 and 123220331003101.

It is not an unprimeable number, because it can be changed into a prime (123220331003183) 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, 96336698 + ... + 97607376.

It is an arithmetic number, because the mean of its divisors is an integer number (7778391379200).

Almost surely, 2^{123220331003123} is an apocalyptic number.

123220331003123 is a deficient number, since it is larger than the sum of its proper divisors (1233931064077).

123220331003123 is a wasteful number, since it uses less digits than its factorization.

123220331003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273282.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123220331003123 its reverse (321300133022321), we get a palindrome (444520464025444).

The spelling of 123220331003123 in words is "one hundred twenty-three trillion, two hundred twenty billion, three hundred thirty-one million, three thousand, one hundred twenty-three".