10823809 has 8 divisors (see below), whose sum is σ = 11000000. Its totient is φ = 10649232.

The previous prime is 10823801. The next prime is 10823821. The reversal of 10823809 is 90832801.

10823809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10823809 - 2³ = 10823801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10823801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21442 + ... + 21940.

It is an arithmetic number, because the mean of its divisors is an integer number (1375000).

Almost surely, 2^10823809 is an apocalyptic number.

It is an amenable number.

10823809 is a deficient number, since it is larger than the sum of its proper divisors (176191).

10823809 is a wasteful number, since it uses less digits than its factorization.

10823809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10823809 is about 3289.9557747787. The cubic root of 10823809 is about 221.2042023799.

The spelling of 10823809 in words is "ten million, eight hundred twenty-three thousand, eight hundred nine".