10809223 has 4 divisors (see below), whose sum is σ = 10827360. Its totient is φ = 10791088.

The previous prime is 10809221. The next prime is 10809259. The reversal of 10809223 is 32290801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10809223 - 2¹ = 10809221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809221) 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, 8143 + ... + 9376.

It is an arithmetic number, because the mean of its divisors is an integer number (2706840).

Almost surely, 2^10809223 is an apocalyptic number.

10809223 is a deficient number, since it is larger than the sum of its proper divisors (18137).

10809223 is an equidigital number, since it uses as much as digits as its factorization.

10809223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18136.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10809223 is about 3287.7382803380. The cubic root of 10809223 is about 221.1047939091.

The spelling of 10809223 in words is "ten million, eight hundred nine thousand, two hundred twenty-three".