123012313235044 has 24 divisors (see below), whose sum is σ = 215464924028088. Its totient is φ = 61450930771200.

The previous prime is 123012313235017. The next prime is 123012313235093. The reversal of 123012313235044 is 440532313210321.

It can be written as a sum of positive squares in 4 ways, for example, as 235098916900 + 122777214318144 = 484870^2 + 11080488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17131944 + ... + 23227744.

It is an arithmetic number, because the mean of its divisors is an integer number (8977705167837).

Almost surely, 2^{123012313235044} is an apocalyptic number.

It is an amenable number.

123012313235044 is a deficient number, since it is larger than the sum of its proper divisors (92452610793044).

123012313235044 is a wasteful number, since it uses less digits than its factorization.

123012313235044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100335 (or 6100333 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 123012313235044 its reverse (440532313210321), we get a palindrome (563544626445365).

The spelling of 123012313235044 in words is "one hundred twenty-three trillion, twelve billion, three hundred thirteen million, two hundred thirty-five thousand, forty-four".