23430172 has 12 divisors (see below), whose sum is σ = 42325696. Its totient is φ = 11337120.

The previous prime is 23430163. The next prime is 23430179. The reversal of 23430172 is 27103432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94353 + ... + 94600.

Almost surely, 2^23430172 is an apocalyptic number.

It is an amenable number.

23430172 is a deficient number, since it is larger than the sum of its proper divisors (18895524).

23430172 is a wasteful number, since it uses less digits than its factorization.

23430172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188988 (or 188986 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 23430172 is about 4840.4722910063. The cubic root of 23430172 is about 286.1487318726.

The spelling of 23430172 in words is "twenty-three million, four hundred thirty thousand, one hundred seventy-two".