23852389 has 4 divisors (see below), whose sum is σ = 26020800. Its totient is φ = 21683980.

The previous prime is 23852369. The next prime is 23852393. The reversal of 23852389 is 98325832.

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 a cyclic number.

It is not a de Polignac number, because 23852389 - 2²³ = 15463781 is a prime.

It is a super-2 number, since 2×23852389² = 1137872922014642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23852329) 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, 1084189 + ... + 1084210.

It is an arithmetic number, because the mean of its divisors is an integer number (6505200).

Almost surely, 2^23852389 is an apocalyptic number.

It is an amenable number.

23852389 is a deficient number, since it is larger than the sum of its proper divisors (2168411).

23852389 is a wasteful number, since it uses less digits than its factorization.

23852389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168410.

The product of its digits is 103680, while the sum is 40.

The square root of 23852389 is about 4883.8907645442. The cubic root of 23852389 is about 287.8573311178.

It can be divided in two parts, 2385 and 2389, that added together give a palindrome (4774).

The spelling of 23852389 in words is "twenty-three million, eight hundred fifty-two thousand, three hundred eighty-nine".