123000310013405 has 16 divisors (see below), whose sum is σ = 165370441377024. Its totient is φ = 87037074406080.

The previous prime is 123000310013401. The next prime is 123000310013419. The reversal of 123000310013405 is 504310013000321.

It is not a de Polignac number, because 123000310013405 - 2² = 123000310013401 is a prime.

It is a super-2 number, since 2×123000310013405² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000310013401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30221204357 + ... + 30221208426.

It is an arithmetic number, because the mean of its divisors is an integer number (10335652586064).

Almost surely, 2^{123000310013405} is an apocalyptic number.

It is an amenable number.

123000310013405 is a deficient number, since it is larger than the sum of its proper divisors (42370131363619).

123000310013405 is a wasteful number, since it uses less digits than its factorization.

123000310013405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60442412836.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 123000310013405 its reverse (504310013000321), we get a palindrome (627310323013726).

The spelling of 123000310013405 in words is "one hundred twenty-three trillion, three hundred ten million, thirteen thousand, four hundred five".