4640339323 has 2 divisors, whose sum is σ = 4640339324. Its totient is φ = 4640339322.

The previous prime is 4640339293. The next prime is 4640339339. The reversal of 4640339323 is 3239330464.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640339323 is a prime.

It is not a weakly prime, because it can be changed into another prime (4640330323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320169661 + 2320169662.

It is an arithmetic number, because the mean of its divisors is an integer number (2320169662).

Almost surely, 2^4640339323 is an apocalyptic number.

4640339323 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640339323 is an equidigital number, since it uses as much as digits as its factorization.

4640339323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 37.

The square root of 4640339323 is about 68120.0361347526. The cubic root of 4640339323 is about 1667.9508401561.

Adding to 4640339323 its reverse (3239330464), we get a palindrome (7879669787).

The spelling of 4640339323 in words is "four billion, six hundred forty million, three hundred thirty-nine thousand, three hundred twenty-three".