23806873 has 4 divisors (see below), whose sum is σ = 24450340. Its totient is φ = 23163408.

The previous prime is 23806847. The next prime is 23806879. The reversal of 23806873 is 37860832.

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 23011209 + 795664 = 4797^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 23806873 - 2⁵ = 23806841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 643429 = 23806873 / (2 + 3 + 8 + 0 + 6 + 8 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (23806879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321678 + ... + 321751.

It is an arithmetic number, because the mean of its divisors is an integer number (6112585).

Almost surely, 2^23806873 is an apocalyptic number.

It is an amenable number.

23806873 is a deficient number, since it is larger than the sum of its proper divisors (643467).

23806873 is an equidigital number, since it uses as much as digits as its factorization.

23806873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643466.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 23806873 is about 4879.2287300351. The cubic root of 23806873 is about 287.6741145700.

The spelling of 23806873 in words is "twenty-three million, eight hundred six thousand, eight hundred seventy-three".