16453343 has 4 divisors (see below), whose sum is σ = 16984128. Its totient is φ = 15922560.

The previous prime is 16453321. The next prime is 16453357. The reversal of 16453343 is 34335461.

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 16453343 - 2¹⁶ = 16387807 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 (16453363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265346 + ... + 265407.

It is an arithmetic number, because the mean of its divisors is an integer number (4246032).

Almost surely, 2^16453343 is an apocalyptic number.

16453343 is a deficient number, since it is larger than the sum of its proper divisors (530785).

16453343 is an equidigital number, since it uses as much as digits as its factorization.

16453343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530784.

The product of its digits is 12960, while the sum is 29.

The square root of 16453343 is about 4056.2720569508. The cubic root of 16453343 is about 254.3419815398.

The spelling of 16453343 in words is "sixteen million, four hundred fifty-three thousand, three hundred forty-three".