23398369 has 2 divisors, whose sum is σ = 23398370. Its totient is φ = 23398368.

The previous prime is 23398357. The next prime is 23398379. The reversal of 23398369 is 96389332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 9072144 = 3785^2 + 3012^2 .

It is a cyclic number.

It is not a de Polignac number, because 23398369 - 2⁷ = 23398241 is a prime.

It is a super-2 number, since 2×23398369² = 1094967343720322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23398379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11699184 + 11699185.

It is an arithmetic number, because the mean of its divisors is an integer number (11699185).

Almost surely, 2^23398369 is an apocalyptic number.

It is an amenable number.

23398369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23398369 is an equidigital number, since it uses as much as digits as its factorization.

23398369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 43.

The square root of 23398369 is about 4837.1860621647. The cubic root of 23398369 is about 286.0192050285.

The spelling of 23398369 in words is "twenty-three million, three hundred ninety-eight thousand, three hundred sixty-nine".