6728323 has 4 divisors (see below), whose sum is σ = 7689520. Its totient is φ = 5767128.

The previous prime is 6728321. The next prime is 6728327. The reversal of 6728323 is 3238276.

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 6728323 - 2¹ = 6728321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6728321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480588 + ... + 480601.

It is an arithmetic number, because the mean of its divisors is an integer number (1922380).

Almost surely, 2^6728323 is an apocalyptic number.

6728323 is a deficient number, since it is larger than the sum of its proper divisors (961197).

6728323 is an equidigital number, since it uses as much as digits as its factorization.

6728323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961196.

The product of its digits is 12096, while the sum is 31.

The square root of 6728323 is about 2593.9011160798. The cubic root of 6728323 is about 188.7856345451.

The spelling of 6728323 in words is "six million, seven hundred twenty-eight thousand, three hundred twenty-three".