123007415242 has 4 divisors (see below), whose sum is σ = 184511122866. Its totient is φ = 61503707620.

The previous prime is 123007415239. The next prime is 123007415263. The reversal of 123007415242 is 242514700321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85707832081 + 37299583161 = 292759^2 + 193131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30751853809 + ... + 30751853812.

Almost surely, 2^123007415242 is an apocalyptic number.

123007415242 is a deficient number, since it is larger than the sum of its proper divisors (61503707624).

123007415242 is an equidigital number, since it uses as much as digits as its factorization.

123007415242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61503707623.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 123007415242 in words is "one hundred twenty-three billion, seven million, four hundred fifteen thousand, two hundred forty-two".