23852869 has 4 divisors (see below), whose sum is σ = 23957260. Its totient is φ = 23748480.

The previous prime is 23852861. The next prime is 23852879. The reversal of 23852869 is 96825832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18164644 + 5688225 = 4262^2 + 2385^2 .

It is a cyclic number.

It is not a de Polignac number, because 23852869 - 2³ = 23852861 is a prime.

It is a super-2 number, since 2×23852869² = 1137918719062322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23852861) 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, 51852 + ... + 52309.

It is an arithmetic number, because the mean of its divisors is an integer number (5989315).

Almost surely, 2^23852869 is an apocalyptic number.

It is an amenable number.

23852869 is a deficient number, since it is larger than the sum of its proper divisors (104391).

23852869 is a wasteful number, since it uses less digits than its factorization.

23852869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104390.

The product of its digits is 207360, while the sum is 43.

The square root of 23852869 is about 4883.9399054452. The cubic root of 23852869 is about 287.8592620298.

The spelling of 23852869 in words is "twenty-three million, eight hundred fifty-two thousand, eight hundred sixty-nine".