123290604 has 18 divisors (see below), whose sum is σ = 311651340. Its totient is φ = 41096856.

The previous prime is 123290593. The next prime is 123290611. The reversal of 123290604 is 406092321.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1712334 + ... + 1712405.

Almost surely, 2^123290604 is an apocalyptic number.

It is an amenable number.

123290604 is an abundant number, since it is smaller than the sum of its proper divisors (188360736).

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

123290604 is a wasteful number, since it uses less digits than its factorization.

123290604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424749 (or 3424744 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 123290604 is about 11103.6302171857. The cubic root of 123290604 is about 497.7103362178.

The spelling of 123290604 in words is "one hundred twenty-three million, two hundred ninety thousand, six hundred four".