123323230233021 has 64 divisors (see below), whose sum is σ = 209359273536000. Its totient is φ = 62805269431296.

The previous prime is 123323230232947. The next prime is 123323230233067. The reversal of 123323230233021 is 120332032323321.

It is not a de Polignac number, because 123323230233021 - 2¹⁷ = 123323230101949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123323230233021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323230233521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 495075915 + ... + 495324951.

It is an arithmetic number, because the mean of its divisors is an integer number (3271238649000).

Almost surely, 2^{123323230233021} is an apocalyptic number.

It is an amenable number.

123323230233021 is a deficient number, since it is larger than the sum of its proper divisors (86036043302979).

123323230233021 is a wasteful number, since it uses less digits than its factorization.

123323230233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311638.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 123323230233021 its reverse (120332032323321), we get a palindrome (243655262556342).

The spelling of 123323230233021 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, two hundred thirty million, two hundred thirty-three thousand, twenty-one".