664300323 has 6 divisors (see below), whose sum is σ = 959544924. Its totient is φ = 442866876.

The previous prime is 664300319. The next prime is 664300339. The reversal of 664300323 is 323003466.

664300323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 664300323 - 2² = 664300319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664300393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36905565 + ... + 36905582.

It is an arithmetic number, because the mean of its divisors is an integer number (159924154).

Almost surely, 2^664300323 is an apocalyptic number.

664300323 is a deficient number, since it is larger than the sum of its proper divisors (295244601).

664300323 is a wasteful number, since it uses less digits than its factorization.

664300323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73811153 (or 73811150 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 664300323 is about 25774.0241910339. The cubic root of 664300323 is about 872.5456435976.

Adding to 664300323 its reverse (323003466), we get a palindrome (987303789).

The spelling of 664300323 in words is "six hundred sixty-four million, three hundred thousand, three hundred twenty-three".