320323110123 has 24 divisors (see below), whose sum is σ = 442897619008. Its totient is φ = 205921725408.

The previous prime is 320323110097. The next prime is 320323110131. The reversal of 320323110123 is 321011323023.

It is not a de Polignac number, because 320323110123 - 2⁶ = 320323110059 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 320323110123.

It is not an unprimeable number, because it can be changed into a prime (320323110193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1904940 + ... + 2066262.

Almost surely, 2^320323110123 is an apocalyptic number.

320323110123 is a deficient number, since it is larger than the sum of its proper divisors (122574508885).

320323110123 is a wasteful number, since it uses less digits than its factorization.

320323110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162171 (or 162142 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320323110123 its reverse (321011323023), we get a palindrome (641334433146).

The spelling of 320323110123 in words is "three hundred twenty billion, three hundred twenty-three million, one hundred ten thousand, one hundred twenty-three".