123242550013502 has 16 divisors (see below), whose sum is σ = 187933158142800. Its totient is φ = 60603001371072.

The previous prime is 123242550013423. The next prime is 123242550013573. The reversal of 123242550013502 is 205310055242321.

It is a super-2 number, since 2×123242550013502² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 1209300128 + ... + 1209402035.

It is an arithmetic number, because the mean of its divisors is an integer number (11745822383925).

Almost surely, 2^{123242550013502} is an apocalyptic number.

123242550013502 is a deficient number, since it is larger than the sum of its proper divisors (64690608129298).

123242550013502 is a wasteful number, since it uses less digits than its factorization.

123242550013502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418702587.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 123242550013502 in words is "one hundred twenty-three trillion, two hundred forty-two billion, five hundred fifty million, thirteen thousand, five hundred two".