123021302323311 has 32 divisors (see below), whose sum is σ = 208547501990400. Its totient is φ = 70210992162240.

The previous prime is 123021302323243. The next prime is 123021302323327. The reversal of 123021302323311 is 113323203120321.

123021302323311 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 2 + 1 + 302 + 323 + 31 + 1 = 666.

123021302323311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 123021302323311 - 2¹⁰ = 123021302322287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021302323411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402137805 + ... + 402443606.

It is an arithmetic number, because the mean of its divisors is an integer number (6517109437200).

Almost surely, 2^{123021302323311} is an apocalyptic number.

123021302323311 is a deficient number, since it is larger than the sum of its proper divisors (85526199667089).

123021302323311 is an equidigital number, since it uses as much as digits as its factorization.

123021302323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804582236 (or 804582230 counting only the distinct ones).

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

Adding to 123021302323311 its reverse (113323203120321), we get a palindrome (236344505443632).

The spelling of 123021302323311 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred two million, three hundred twenty-three thousand, three hundred eleven".