123321203311023 has 24 divisors (see below), whose sum is σ = 184273953055920. Its totient is φ = 79378781690880.

The previous prime is 123321203311021. The next prime is 123321203311043. The reversal of 123321203311023 is 320113302123321.

123321203311023 is a `hidden beast` number, since 1 + 2 + 3 + 321 + 2 + 0 + 3 + 311 + 0 + 23 = 666.

It is not a de Polignac number, because 123321203311023 - 2¹ = 123321203311021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321203311021) 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, 59024340 + ... + 61077942.

It is an arithmetic number, because the mean of its divisors is an integer number (7678081377330).

Almost surely, 2^{123321203311023} is an apocalyptic number.

123321203311023 is a deficient number, since it is larger than the sum of its proper divisors (60952749744897).

123321203311023 is a wasteful number, since it uses less digits than its factorization.

123321203311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283719 (or 2283716 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 123321203311023 its reverse (320113302123321), we get a palindrome (443434505434344).

The spelling of 123321203311023 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, two hundred three million, three hundred eleven thousand, twenty-three".