123002140144131 has 20 divisors (see below), whose sum is σ = 183759483033984. Its totient is φ = 81994489196400.

The previous prime is 123002140144111. The next prime is 123002140144141. The reversal of 123002140144131 is 131441041200321.

It is a happy number.

123002140144131 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 0 + 214 + 0 + 1 + 441 + 3 + 1 = 666.

It is not a de Polignac number, because 123002140144131 - 2⁵ = 123002140144099 is a prime.

It is a super-2 number, since 2×123002140144131² (a number of 29 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 123002140144095 and 123002140144104.

It is not an unprimeable number, because it can be changed into a prime (123002140144111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63273315 + ... + 65188316.

Almost surely, 2^{123002140144131} is an apocalyptic number.

123002140144131 is a deficient number, since it is larger than the sum of its proper divisors (60757342889853).

123002140144131 is a wasteful number, since it uses less digits than its factorization.

123002140144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128473464 (or 128473455 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 123002140144131 its reverse (131441041200321), we get a palindrome (254443181344452).

The spelling of 123002140144131 in words is "one hundred twenty-three trillion, two billion, one hundred forty million, one hundred forty-four thousand, one hundred thirty-one".