23745871 has 2 divisors, whose sum is σ = 23745872. Its totient is φ = 23745870.

The previous prime is 23745863. The next prime is 23745893. The reversal of 23745871 is 17854732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23745871 - 2³ = 23745863 is a prime.

It is a super-3 number, since 3×23745871³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23745871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23745811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872935 + 11872936.

It is an arithmetic number, because the mean of its divisors is an integer number (11872936).

Almost surely, 2^23745871 is an apocalyptic number.

23745871 is a deficient number, since it is larger than the sum of its proper divisors (1).

23745871 is an equidigital number, since it uses as much as digits as its factorization.

23745871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 23745871 is about 4872.9735275292. The cubic root of 23745871 is about 287.4281953004.

The spelling of 23745871 in words is "twenty-three million, seven hundred forty-five thousand, eight hundred seventy-one".