23613873 has 4 divisors (see below), whose sum is σ = 31485168. Its totient is φ = 15742580.

The previous prime is 23613857. The next prime is 23613911. The reversal of 23613873 is 37831632.

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 23613873 - 2⁴ = 23613857 is a prime.

It is a super-2 number, since 2×23613873² = 1115229996120258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23613773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935643 + ... + 3935648.

It is an arithmetic number, because the mean of its divisors is an integer number (7871292).

Almost surely, 2^23613873 is an apocalyptic number.

It is an amenable number.

23613873 is a deficient number, since it is larger than the sum of its proper divisors (7871295).

23613873 is an equidigital number, since it uses as much as digits as its factorization.

23613873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871294.

The product of its digits is 18144, while the sum is 33.

The square root of 23613873 is about 4859.4107667494. The cubic root of 23613873 is about 286.8946223306.

The spelling of 23613873 in words is "twenty-three million, six hundred thirteen thousand, eight hundred seventy-three".