23470172 has 12 divisors (see below), whose sum is σ = 44806776. Its totient is φ = 10668240.

The previous prime is 23470171. The next prime is 23470199. The reversal of 23470172 is 27107432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23470171) 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, 266663 + ... + 266750.

It is an arithmetic number, because the mean of its divisors is an integer number (3733898).

Almost surely, 2^23470172 is an apocalyptic number.

23470172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23470172 is a deficient number, since it is larger than the sum of its proper divisors (21336604).

23470172 is a wasteful number, since it uses less digits than its factorization.

23470172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533428 (or 533426 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 23470172 is about 4844.6023572632. The cubic root of 23470172 is about 286.3114770420.

The spelling of 23470172 in words is "twenty-three million, four hundred seventy thousand, one hundred seventy-two".