23725171 has 2 divisors, whose sum is σ = 23725172. Its totient is φ = 23725170.

The previous prime is 23725127. The next prime is 23725187. The reversal of 23725171 is 17152732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23725171 - 2¹¹ = 23723123 is a prime.

It is not a weakly prime, because it can be changed into another prime (23728171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11862585 + 11862586.

It is an arithmetic number, because the mean of its divisors is an integer number (11862586).

Almost surely, 2^23725171 is an apocalyptic number.

23725171 is a deficient number, since it is larger than the sum of its proper divisors (1).

23725171 is an equidigital number, since it uses as much as digits as its factorization.

23725171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 28.

The square root of 23725171 is about 4870.8491046223. The cubic root of 23725171 is about 287.3446510449.

The spelling of 23725171 in words is "twenty-three million, seven hundred twenty-five thousand, one hundred seventy-one".