123142122323552 has 24 divisors (see below), whose sum is σ = 242463923289000. Its totient is φ = 61563983075584.

The previous prime is 123142122323531. The next prime is 123142122323581. The reversal of 123142122323552 is 255323221241321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220907477 + ... + 221464212.

It is an arithmetic number, because the mean of its divisors is an integer number (10102663470375).

Almost surely, 2^{123142122323552} is an apocalyptic number.

It is an amenable number.

123142122323552 is a deficient number, since it is larger than the sum of its proper divisors (119321800965448).

123142122323552 is an equidigital number, since it uses as much as digits as its factorization.

123142122323552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442380398 (or 442380390 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 123142122323552 its reverse (255323221241321), we get a palindrome (378465343564873).

The spelling of 123142122323552 in words is "one hundred twenty-three trillion, one hundred forty-two billion, one hundred twenty-two million, three hundred twenty-three thousand, five hundred fifty-two".