23665339 has 2 divisors, whose sum is σ = 23665340. Its totient is φ = 23665338.

The previous prime is 23665333. The next prime is 23665357. The reversal of 23665339 is 93356632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23665339 - 2⁷ = 23665211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23665298 and 23665307.

It is not a weakly prime, because it can be changed into another prime (23665333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832669 + 11832670.

It is an arithmetic number, because the mean of its divisors is an integer number (11832670).

Almost surely, 2^23665339 is an apocalyptic number.

23665339 is a deficient number, since it is larger than the sum of its proper divisors (1).

23665339 is an equidigital number, since it uses as much as digits as its factorization.

23665339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 37.

The square root of 23665339 is about 4864.7033825301. The cubic root of 23665339 is about 287.1028982692.

The spelling of 23665339 in words is "twenty-three million, six hundred sixty-five thousand, three hundred thirty-nine".