16943695323 has 4 divisors (see below), whose sum is σ = 22591593768. Its totient is φ = 11295796880.

The previous prime is 16943695309. The next prime is 16943695333. The reversal of 16943695323 is 32359634961.

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 16943695323 - 2¹⁷ = 16943564251 is a prime.

It is a super-2 number, since 2×16943695323² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16943695333) 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, 2823949218 + ... + 2823949223.

It is an arithmetic number, because the mean of its divisors is an integer number (5647898442).

Almost surely, 2^16943695323 is an apocalyptic number.

16943695323 is a deficient number, since it is larger than the sum of its proper divisors (5647898445).

16943695323 is an equidigital number, since it uses as much as digits as its factorization.

16943695323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647898444.

The product of its digits is 3149280, while the sum is 51.

The spelling of 16943695323 in words is "sixteen billion, nine hundred forty-three million, six hundred ninety-five thousand, three hundred twenty-three".