23336689 has 2 divisors, whose sum is σ = 23336690. Its totient is φ = 23336688.

The previous prime is 23336681. The next prime is 23336701. The reversal of 23336689 is 98663332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14137600 + 9199089 = 3760^2 + 3033^2 .

It is a cyclic number.

It is not a de Polignac number, because 23336689 - 2³ = 23336681 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (23336681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11668344 + 11668345.

It is an arithmetic number, because the mean of its divisors is an integer number (11668345).

Almost surely, 2^23336689 is an apocalyptic number.

It is an amenable number.

23336689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23336689 is an equidigital number, since it uses as much as digits as its factorization.

23336689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 23336689 is about 4830.8062474084. The cubic root of 23336689 is about 285.7676605878.

It can be divided in two parts, 23336 and 689, that added together give a square (24025 = 155²).

The spelling of 23336689 in words is "twenty-three million, three hundred thirty-six thousand, six hundred eighty-nine".