123210003204123 has 32 divisors (see below), whose sum is σ = 182746126397952. Its totient is φ = 73215595104000.

The previous prime is 123210003204091. The next prime is 123210003204139. The reversal of 123210003204123 is 321402300012321.

It is not a de Polignac number, because 123210003204123 - 2⁵ = 123210003204091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123210003204093 and 123210003204102.

It is not an unprimeable number, because it can be changed into a prime (123210003204143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179106690 + ... + 179793287.

It is an arithmetic number, because the mean of its divisors is an integer number (5710816449936).

Almost surely, 2^{123210003204123} is an apocalyptic number.

123210003204123 is a deficient number, since it is larger than the sum of its proper divisors (59536123193829).

123210003204123 is a wasteful number, since it uses less digits than its factorization.

123210003204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358900195.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123210003204123 its reverse (321402300012321), we get a palindrome (444612303216444).

The spelling of 123210003204123 in words is "one hundred twenty-three trillion, two hundred ten billion, three million, two hundred four thousand, one hundred twenty-three".