23316539 has 2 divisors, whose sum is σ = 23316540. Its totient is φ = 23316538.

The previous prime is 23316521. The next prime is 23316547. The reversal of 23316539 is 93561332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23316539 - 2²⁰ = 22267963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23316589) 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, 11658269 + 11658270.

It is an arithmetic number, because the mean of its divisors is an integer number (11658270).

Almost surely, 2^23316539 is an apocalyptic number.

23316539 is a deficient number, since it is larger than the sum of its proper divisors (1).

23316539 is an equidigital number, since it uses as much as digits as its factorization.

23316539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 23316539 is about 4828.7202238274. The cubic root of 23316539 is about 285.6853884703.

The spelling of 23316539 in words is "twenty-three million, three hundred sixteen thousand, five hundred thirty-nine".