23893869 has 4 divisors (see below), whose sum is σ = 31858496. Its totient is φ = 15929244.

The previous prime is 23893847. The next prime is 23893871. The reversal of 23893869 is 96839832.

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 23893869 - 2⁸ = 23893613 is a prime.

It is a super-2 number, since 2×23893869² = 1141833951578322, 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 (23893829) 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, 3982309 + ... + 3982314.

It is an arithmetic number, because the mean of its divisors is an integer number (7964624).

Almost surely, 2^23893869 is an apocalyptic number.

It is an amenable number.

23893869 is a deficient number, since it is larger than the sum of its proper divisors (7964627).

23893869 is an equidigital number, since it uses as much as digits as its factorization.

23893869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964626.

The product of its digits is 559872, while the sum is 48.

The square root of 23893869 is about 4888.1355341275. The cubic root of 23893869 is about 288.0240985815.

The spelling of 23893869 in words is "twenty-three million, eight hundred ninety-three thousand, eight hundred sixty-nine".