23718873 has 4 divisors (see below), whose sum is σ = 31625168. Its totient is φ = 15812580.

The previous prime is 23718853. The next prime is 23718907. The reversal of 23718873 is 37881732.

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 23718873 - 2⁵ = 23718841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23718803) 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, 3953143 + ... + 3953148.

It is an arithmetic number, because the mean of its divisors is an integer number (7906292).

Almost surely, 2^23718873 is an apocalyptic number.

It is an amenable number.

23718873 is a deficient number, since it is larger than the sum of its proper divisors (7906295).

23718873 is an equidigital number, since it uses as much as digits as its factorization.

23718873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906294.

The product of its digits is 56448, while the sum is 39.

The square root of 23718873 is about 4870.2025625224. The cubic root of 23718873 is about 287.3192229630.

It can be divided in two parts, 237 and 18873, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 23718873 in words is "twenty-three million, seven hundred eighteen thousand, eight hundred seventy-three".