23770172 has 6 divisors (see below), whose sum is σ = 41597808. Its totient is φ = 11885084.

The previous prime is 23770163. The next prime is 23770177. The reversal of 23770172 is 27107732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23770177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2971268 + ... + 2971275.

It is an arithmetic number, because the mean of its divisors is an integer number (6932968).

Almost surely, 2^23770172 is an apocalyptic number.

It is an amenable number.

23770172 is a deficient number, since it is larger than the sum of its proper divisors (17827636).

23770172 is a wasteful number, since it uses less digits than its factorization.

23770172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942547 (or 5942545 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 23770172 is about 4875.4663366698. The cubic root of 23770172 is about 287.5262110948.

The spelling of 23770172 in words is "twenty-three million, seven hundred seventy thousand, one hundred seventy-two".