123165604 has 27 divisors (see below), whose sum is σ = 223968171. Its totient is φ = 59263320.

The previous prime is 123165547. The next prime is 123165643. The reversal of 123165604 is 406561321.

The square root of 123165604 is 11098.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 687987 + ... + 688165.

Almost surely, 2^123165604 is an apocalyptic number.

123165604 is the 11098-th square number.

It is an amenable number.

123165604 is a deficient number, since it is larger than the sum of its proper divisors (100802567).

123165604 is an equidigital number, since it uses as much as digits as its factorization.

123165604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The cubic root of 123165604 is about 497.5420756818.

The spelling of 123165604 in words is "one hundred twenty-three million, one hundred sixty-five thousand, six hundred four".