23665379 has 2 divisors, whose sum is σ = 23665380. Its totient is φ = 23665378.

The previous prime is 23665361. The next prime is 23665399. The reversal of 23665379 is 97356632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23665379 - 2⁸ = 23665123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23665339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832689 + 11832690.

It is an arithmetic number, because the mean of its divisors is an integer number (11832690).

Almost surely, 2^23665379 is an apocalyptic number.

23665379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23665379 is an equidigital number, since it uses as much as digits as its factorization.

23665379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 23665379 is about 4864.7074937760. The cubic root of 23665379 is about 287.1030600263.

The spelling of 23665379 in words is "twenty-three million, six hundred sixty-five thousand, three hundred seventy-nine".