23927081 has 2 divisors, whose sum is σ = 23927082. Its totient is φ = 23927080.

The previous prime is 23927069. The next prime is 23927083. The reversal of 23927081 is 18072932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 839056 = 4805^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 23927081 - 2²² = 19732777 is a prime.

It is a super-2 number, since 2×23927081² = 1145010410361122, which contains 22 as substring.

Together with 23927083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23927083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11963540 + 11963541.

It is an arithmetic number, because the mean of its divisors is an integer number (11963541).

Almost surely, 2^23927081 is an apocalyptic number.

It is an amenable number.

23927081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23927081 is an equidigital number, since it uses as much as digits as its factorization.

23927081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 23927081 is about 4891.5315597469. The cubic root of 23927081 is about 288.1574860440.

The spelling of 23927081 in words is "twenty-three million, nine hundred twenty-seven thousand, eighty-one".