123130023230123 has 32 divisors (see below), whose sum is σ = 155647407431040. Its totient is φ = 94784301619200.

The previous prime is 123130023230111. The next prime is 123130023230129. The reversal of 123130023230123 is 321032320031321.

It is not a de Polignac number, because 123130023230123 - 2⁸ = 123130023229867 is a prime.

It is a super-2 number, since 2×123130023230123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130023230092 and 123130023230101.

It is not an unprimeable number, because it can be changed into a prime (123130023230129) 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, 75519923 + ... + 77133123.

It is an arithmetic number, because the mean of its divisors is an integer number (4863981482220).

Almost surely, 2^{123130023230123} is an apocalyptic number.

123130023230123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123130023230123 is a deficient number, since it is larger than the sum of its proper divisors (32517384200917).

123130023230123 is a wasteful number, since it uses less digits than its factorization.

123130023230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635927.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123130023230123 its reverse (321032320031321), we get a palindrome (444162343261444).

The spelling of 123130023230123 in words is "one hundred twenty-three trillion, one hundred thirty billion, twenty-three million, two hundred thirty thousand, one hundred twenty-three".