809366445223 has 16 divisors (see below), whose sum is σ = 927801262080. Its totient is φ = 691635200256.

The previous prime is 809366445191. The next prime is 809366445233. The reversal of 809366445223 is 322544663908.

It is not a de Polignac number, because 809366445223 - 2⁵ = 809366445191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809366445233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13013386 + ... + 13075432.

It is an arithmetic number, because the mean of its divisors is an integer number (57987578880).

Almost surely, 2^809366445223 is an apocalyptic number.

809366445223 is a deficient number, since it is larger than the sum of its proper divisors (118434816857).

809366445223 is a wasteful number, since it uses less digits than its factorization.

809366445223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67686.

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 809366445223 in words is "eight hundred nine billion, three hundred sixty-six million, four hundred forty-five thousand, two hundred twenty-three".