23316589 has 2 divisors, whose sum is σ = 23316590. Its totient is φ = 23316588.

The previous prime is 23316583. The next prime is 23316593. The reversal of 23316589 is 98561332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14760964 + 8555625 = 3842^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 23316589 - 2²¹ = 21219437 is a prime.

It is a super-3 number, since 3×23316589³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23316583) 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, 11658294 + 11658295.

It is an arithmetic number, because the mean of its divisors is an integer number (11658295).

Almost surely, 2^23316589 is an apocalyptic number.

It is an amenable number.

23316589 is a deficient number, since it is larger than the sum of its proper divisors (1).

23316589 is an equidigital number, since it uses as much as digits as its factorization.

23316589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 23316589 is about 4828.7254011799. The cubic root of 23316589 is about 285.6855926781.

The spelling of 23316589 in words is "twenty-three million, three hundred sixteen thousand, five hundred eighty-nine".