16343243 has 8 divisors (see below), whose sum is σ = 18957312. Its totient is φ = 13799016.

The previous prime is 16343213. The next prime is 16343279. The reversal of 16343243 is 34234361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16343243 - 2⁸ = 16342987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16343213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16955 + ... + 17892.

It is an arithmetic number, because the mean of its divisors is an integer number (2369664).

Almost surely, 2^16343243 is an apocalyptic number.

16343243 is a deficient number, since it is larger than the sum of its proper divisors (2614069).

16343243 is an equidigital number, since it uses as much as digits as its factorization.

16343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34921.

The product of its digits is 5184, while the sum is 26.

The square root of 16343243 is about 4042.6777017220. The cubic root of 16343243 is about 253.7733889318.

The spelling of 16343243 in words is "sixteen million, three hundred forty-three thousand, two hundred forty-three".