23665427 has 2 divisors, whose sum is σ = 23665428. Its totient is φ = 23665426.

The previous prime is 23665409. The next prime is 23665451. The reversal of 23665427 is 72456632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23665427 - 2⁸ = 23665171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23665457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832713 + 11832714.

It is an arithmetic number, because the mean of its divisors is an integer number (11832714).

Almost surely, 2^23665427 is an apocalyptic number.

23665427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23665427 is an equidigital number, since it uses as much as digits as its factorization.

23665427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 23665427 is about 4864.7124272664. The cubic root of 23665427 is about 287.1032541345.

The spelling of 23665427 in words is "twenty-three million, six hundred sixty-five thousand, four hundred twenty-seven".