23725172 has 6 divisors (see below), whose sum is σ = 41519058. Its totient is φ = 11862584.

The previous prime is 23725171. The next prime is 23725187. The reversal of 23725172 is 27152732.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 3976036 = 4444^2 + 1994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23725171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965643 + ... + 2965650.

It is an arithmetic number, because the mean of its divisors is an integer number (6919843).

Almost surely, 2^23725172 is an apocalyptic number.

It is an amenable number.

23725172 is a deficient number, since it is larger than the sum of its proper divisors (17793886).

23725172 is a wasteful number, since it uses less digits than its factorization.

23725172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931297 (or 5931295 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 23725172 is about 4870.8492072738. The cubic root of 23725172 is about 287.3446550820.

The spelling of 23725172 in words is "twenty-three million, seven hundred twenty-five thousand, one hundred seventy-two".