123442908090788 has 96 divisors (see below), whose sum is σ = 257002258157568. Its totient is φ = 51143121936000.

The previous prime is 123442908090779. The next prime is 123442908090797. The reversal of 123442908090788 is 887090809244321.

It is an interprime number because it is at equal distance from previous prime (123442908090779) and next prime (123442908090797).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10145081 + ... + 18703167.

It is an arithmetic number, because the mean of its divisors is an integer number (2677106855808).

Almost surely, 2^{123442908090788} is an apocalyptic number.

It is an amenable number.

123442908090788 is an abundant number, since it is smaller than the sum of its proper divisors (133559350066780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123442908090788 is a wasteful number, since it uses less digits than its factorization.

123442908090788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558433 (or 8558431 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 65.

The spelling of 123442908090788 in words is "one hundred twenty-three trillion, four hundred forty-two billion, nine hundred eight million, ninety thousand, seven hundred eighty-eight".