23170072 has 16 divisors (see below), whose sum is σ = 44942400. Its totient is φ = 11185440.

The previous prime is 23170027. The next prime is 23170073. The reversal of 23170072 is 27007132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23170073) 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, 49704 + ... + 50167.

It is an arithmetic number, because the mean of its divisors is an integer number (2808900).

Almost surely, 2^23170072 is an apocalyptic number.

It is an amenable number.

23170072 is a deficient number, since it is larger than the sum of its proper divisors (21772328).

23170072 is a wasteful number, since it uses less digits than its factorization.

23170072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99906 (or 99902 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 23170072 is about 4813.5300975480. The cubic root of 23170072 is about 285.0859369449.

The spelling of 23170072 in words is "twenty-three million, one hundred seventy thousand, seventy-two".