809430930723 has 16 divisors (see below), whose sum is σ = 1080537120000. Its totient is φ = 538973004960.

The previous prime is 809430930709. The next prime is 809430930761. The reversal of 809430930723 is 327039034908.

It is not a de Polignac number, because 809430930723 - 2⁵ = 809430930691 is a prime.

It is a super-2 number, since 2×809430930723² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (809430930523) 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, 10497073 + ... + 10573901.

It is an arithmetic number, because the mean of its divisors is an integer number (67533570000).

Almost surely, 2^809430930723 is an apocalyptic number.

809430930723 is a deficient number, since it is larger than the sum of its proper divisors (271106189277).

809430930723 is a wasteful number, since it uses less digits than its factorization.

809430930723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81002.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 809430930723 in words is "eight hundred nine billion, four hundred thirty million, nine hundred thirty thousand, seven hundred twenty-three".