123001102023231 has 64 divisors (see below), whose sum is σ = 184205900736000. Its totient is φ = 72548188876800.

The previous prime is 123001102023209. The next prime is 123001102023323. The reversal of 123001102023231 is 132320201100321.

It is not a de Polignac number, because 123001102023231 - 2⁷ = 123001102023103 is a prime.

It is a super-2 number, since 2×123001102023231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123001102023198 and 123001102023207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001102027231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1119673995 + ... + 1119783843.

It is an arithmetic number, because the mean of its divisors is an integer number (2878217199000).

Almost surely, 2^{123001102023231} is an apocalyptic number.

123001102023231 is a deficient number, since it is larger than the sum of its proper divisors (61204798712769).

123001102023231 is a wasteful number, since it uses less digits than its factorization.

123001102023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118840.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123001102023231 its reverse (132320201100321), we get a palindrome (255321303123552).

The spelling of 123001102023231 in words is "one hundred twenty-three trillion, one billion, one hundred two million, twenty-three thousand, two hundred thirty-one".