123130203213231 has 12 divisors (see below), whose sum is σ = 177857661172360. Its totient is φ = 82085452974000.

The previous prime is 123130203213211. The next prime is 123130203213323. The reversal of 123130203213231 is 132312302031321.

123130203213231 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 302 + 0 + 32 + 1 + 323 + 1 = 666.

It is not a de Polignac number, because 123130203213231 - 2¹⁹ = 123130202688943 is a prime.

It is a super-2 number, since 2×123130203213231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123130203213195 and 123130203213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130203213211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111852520 + ... + 112947981.

Almost surely, 2^{123130203213231} is an apocalyptic number.

123130203213231 is a deficient number, since it is larger than the sum of its proper divisors (54727457959129).

123130203213231 is a wasteful number, since it uses less digits than its factorization.

123130203213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224861366 (or 224861363 counting only the distinct ones).

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

Adding to 123130203213231 its reverse (132312302031321), we get a palindrome (255442505244552).

The spelling of 123130203213231 in words is "one hundred twenty-three trillion, one hundred thirty billion, two hundred three million, two hundred thirteen thousand, two hundred thirty-one".