123123320323223 has 4 divisors (see below), whose sum is σ = 134316349443528. Its totient is φ = 111930291202920.

The previous prime is 123123320323217. The next prime is 123123320323291. The reversal of 123123320323223 is 322323023321321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123123320323223 - 2²⁴ = 123123303546007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123123320323223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123320323123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5596514560136 + ... + 5596514560157.

It is an arithmetic number, because the mean of its divisors is an integer number (33579087360882).

Almost surely, 2^{123123320323223} is an apocalyptic number.

123123320323223 is a deficient number, since it is larger than the sum of its proper divisors (11193029120305).

123123320323223 is a wasteful number, since it uses less digits than its factorization.

123123320323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11193029120304.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 123123320323223 its reverse (322323023321321), we get a palindrome (445446343644544).

The spelling of 123123320323223 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, three hundred twenty million, three hundred twenty-three thousand, two hundred twenty-three".