6722323 has 4 divisors (see below), whose sum is σ = 6740440. Its totient is φ = 6704208.

The previous prime is 6722321. The next prime is 6722329. The reversal of 6722323 is 3232276.

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 6722323 - 2¹ = 6722321 is a prime.

It is a Duffinian number.

6722323 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6722321) 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, 8490 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (1685110).

Almost surely, 2^6722323 is an apocalyptic number.

6722323 is a deficient number, since it is larger than the sum of its proper divisors (18117).

6722323 is a wasteful number, since it uses less digits than its factorization.

6722323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18116.

The product of its digits is 3024, while the sum is 25.

The square root of 6722323 is about 2592.7442990006. The cubic root of 6722323 is about 188.7295011582.

Adding to 6722323 its reverse (3232276), we get a palindrome (9954599).

The spelling of 6722323 in words is "six million, seven hundred twenty-two thousand, three hundred twenty-three".