123310023102123 has 32 divisors (see below), whose sum is σ = 194313587876352. Its totient is φ = 68571546662400.

The previous prime is 123310023102059. The next prime is 123310023102127. The reversal of 123310023102123 is 321201320013321.

It is not a de Polignac number, because 123310023102123 - 2⁶ = 123310023102059 is a prime.

It is a super-2 number, since 2×123310023102123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123310023102093 and 123310023102102.

It is not an unprimeable number, because it can be changed into a prime (123310023102127) 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, 860515038 + ... + 860658323.

It is an arithmetic number, because the mean of its divisors is an integer number (6072299621136).

Almost surely, 2^{123310023102123} is an apocalyptic number.

123310023102123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123310023102123 is a deficient number, since it is larger than the sum of its proper divisors (71003564774229).

123310023102123 is a wasteful number, since it uses less digits than its factorization.

123310023102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721173555.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123310023102123 its reverse (321201320013321), we get a palindrome (444511343115444).

The spelling of 123310023102123 in words is "one hundred twenty-three trillion, three hundred ten billion, twenty-three million, one hundred two thousand, one hundred twenty-three".