123013242344434 has 16 divisors (see below), whose sum is σ = 198913010847768. Its totient is φ = 56718396427392.

The previous prime is 123013242344429. The next prime is 123013242344501. The reversal of 123013242344434 is 434443242310321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68022163478025 + 54991078866409 = 8247555^2 + 7415597^2 .

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, 2372731627 + ... + 2372783470.

Almost surely, 2^{123013242344434} is an apocalyptic number.

123013242344434 is a deficient number, since it is larger than the sum of its proper divisors (75899768503334).

123013242344434 is a wasteful number, since it uses less digits than its factorization.

123013242344434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745516109.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 123013242344434 its reverse (434443242310321), we get a palindrome (557456484654755).

The spelling of 123013242344434 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty-two million, three hundred forty-four thousand, four hundred thirty-four".