23206873 has 4 divisors (see below), whose sum is σ = 24007140. Its totient is φ = 22406608.

The previous prime is 23206867. The next prime is 23206877. The reversal of 23206873 is 37860232.

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 11075584 + 12131289 = 3328^2 + 3483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23206873 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23206877) 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, 400090 + ... + 400147.

It is an arithmetic number, because the mean of its divisors is an integer number (6001785).

Almost surely, 2^23206873 is an apocalyptic number.

It is an amenable number.

23206873 is a deficient number, since it is larger than the sum of its proper divisors (800267).

23206873 is an equidigital number, since it uses as much as digits as its factorization.

23206873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800266.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23206873 is about 4817.3512431626. The cubic root of 23206873 is about 285.2367909999.

The spelling of 23206873 in words is "twenty-three million, two hundred six thousand, eight hundred seventy-three".