23591369 has 4 divisors (see below), whose sum is σ = 24833040. Its totient is φ = 22349700.

The previous prime is 23591357. The next prime is 23591371. The reversal of 23591369 is 96319532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23591369 - 2¹⁶ = 23525833 is a prime.

It is a super-2 number, since 2×23591369² = 1113105382588322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23591069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620807 + ... + 620844.

It is an arithmetic number, because the mean of its divisors is an integer number (6208260).

Almost surely, 2^23591369 is an apocalyptic number.

It is an amenable number.

23591369 is a deficient number, since it is larger than the sum of its proper divisors (1241671).

23591369 is a wasteful number, since it uses less digits than its factorization.

23591369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241670.

The product of its digits is 43740, while the sum is 38.

The square root of 23591369 is about 4857.0947077445. The cubic root of 23591369 is about 286.8034565907.

The spelling of 23591369 in words is "twenty-three million, five hundred ninety-one thousand, three hundred sixty-nine".