23897927 has 2 divisors, whose sum is σ = 23897928. Its totient is φ = 23897926.

The previous prime is 23897921. The next prime is 23897947. The reversal of 23897927 is 72979832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23897927 is a prime.

It is a super-2 number, since 2×23897927² = 1142221829794658, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23897921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11948963 + 11948964.

It is an arithmetic number, because the mean of its divisors is an integer number (11948964).

Almost surely, 2^23897927 is an apocalyptic number.

23897927 is a deficient number, since it is larger than the sum of its proper divisors (1).

23897927 is an equidigital number, since it uses as much as digits as its factorization.

23897927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 23897927 is about 4888.5506031952. The cubic root of 23897927 is about 288.0404031215.

The spelling of 23897927 in words is "twenty-three million, eight hundred ninety-seven thousand, nine hundred twenty-seven".