123366172 has 6 divisors (see below), whose sum is σ = 215890808. Its totient is φ = 61683084.

The previous prime is 123366169. The next prime is 123366223. The reversal of 123366172 is 271663321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420768 + ... + 15420775.

Almost surely, 2^123366172 is an apocalyptic number.

It is an amenable number.

123366172 is a deficient number, since it is larger than the sum of its proper divisors (92524636).

123366172 is a wasteful number, since it uses less digits than its factorization.

123366172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30841547 (or 30841545 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 123366172 is about 11107.0325469947. The cubic root of 123366172 is about 497.8120019621.

The spelling of 123366172 in words is "one hundred twenty-three million, three hundred sixty-six thousand, one hundred seventy-two".