123220320323323 has 4 divisors (see below), whose sum is σ = 129705600340360. Its totient is φ = 116735040306288.

The previous prime is 123220320323257. The next prime is 123220320323333. The reversal of 123220320323323 is 323323023022321.

It is a happy number.

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 123220320323323 - 2²⁹ = 123219783452411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123220320323333) 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, 3242640008490 + ... + 3242640008527.

It is an arithmetic number, because the mean of its divisors is an integer number (32426400085090).

Almost surely, 2^{123220320323323} is an apocalyptic number.

123220320323323 is a deficient number, since it is larger than the sum of its proper divisors (6485280017037).

123220320323323 is an equidigital number, since it uses as much as digits as its factorization.

123220320323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485280017036.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 123220320323323 its reverse (323323023022321), we get a palindrome (446543343345644).

The spelling of 123220320323323 in words is "one hundred twenty-three trillion, two hundred twenty billion, three hundred twenty million, three hundred twenty-three thousand, three hundred twenty-three".