16309215223 has 6 divisors (see below), whose sum is σ = 18971944296. Its totient is φ = 13979327292.

The previous prime is 16309215187. The next prime is 16309215239. The reversal of 16309215223 is 32251290361.

It is not a de Polignac number, because 16309215223 - 2¹⁷ = 16309084151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309215283) 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 in 5 ways as a sum of consecutive naturals, for example, 166420515 + ... + 166420612.

It is an arithmetic number, because the mean of its divisors is an integer number (3161990716).

Almost surely, 2^16309215223 is an apocalyptic number.

16309215223 is a deficient number, since it is larger than the sum of its proper divisors (2662729073).

16309215223 is an equidigital number, since it uses as much as digits as its factorization.

16309215223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332841141 (or 332841134 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 16309215223 in words is "sixteen billion, three hundred nine million, two hundred fifteen thousand, two hundred twenty-three".