16800000318223 has 2 divisors, whose sum is σ = 16800000318224. Its totient is φ = 16800000318222.

The previous prime is 16800000318181. The next prime is 16800000318251. The reversal of 16800000318223 is 32281300000861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16800000318223 - 2¹⁷ = 16800000187151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16800000318323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400000159111 + 8400000159112.

It is an arithmetic number, because the mean of its divisors is an integer number (8400000159112).

Almost surely, 2^{16800000318223} is an apocalyptic number.

16800000318223 is a deficient number, since it is larger than the sum of its proper divisors (1).

16800000318223 is an equidigital number, since it uses as much as digits as its factorization.

16800000318223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 16800000318223 in words is "sixteen trillion, eight hundred billion, three hundred eighteen thousand, two hundred twenty-three".