23589389 has 2 divisors, whose sum is σ = 23589390. Its totient is φ = 23589388.

The previous prime is 23589373. The next prime is 23589403. The reversal of 23589389 is 98398532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22401289 + 1188100 = 4733^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 23589389 - 2⁴ = 23589373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23589289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11794694 + 11794695.

It is an arithmetic number, because the mean of its divisors is an integer number (11794695).

Almost surely, 2^23589389 is an apocalyptic number.

It is an amenable number.

23589389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23589389 is an equidigital number, since it uses as much as digits as its factorization.

23589389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 23589389 is about 4856.8908779177. The cubic root of 23589389 is about 286.7954326571.

The spelling of 23589389 in words is "twenty-three million, five hundred eighty-nine thousand, three hundred eighty-nine".