23535689 has 2 divisors, whose sum is σ = 23535690. Its totient is φ = 23535688.

The previous prime is 23535683. The next prime is 23535697. The reversal of 23535689 is 98653532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21086464 + 2449225 = 4592^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 23535689 - 2²⁴ = 6758473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23535683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11767844 + 11767845.

It is an arithmetic number, because the mean of its divisors is an integer number (11767845).

Almost surely, 2^23535689 is an apocalyptic number.

It is an amenable number.

23535689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23535689 is an equidigital number, since it uses as much as digits as its factorization.

23535689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 23535689 is about 4851.3595001814. The cubic root of 23535689 is about 286.5776424183.

The spelling of 23535689 in words is "twenty-three million, five hundred thirty-five thousand, six hundred eighty-nine".