4440323321243 has 2 divisors, whose sum is σ = 4440323321244. Its totient is φ = 4440323321242.

The previous prime is 4440323321237. The next prime is 4440323321257. The reversal of 4440323321243 is 3421233230444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4440323321243 - 2¹⁰ = 4440323320219 is a prime.

It is not a weakly prime, because it can be changed into another prime (4440323321263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220161660621 + 2220161660622.

It is an arithmetic number, because the mean of its divisors is an integer number (2220161660622).

Almost surely, 2^{4440323321243} is an apocalyptic number.

4440323321243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440323321243 is an equidigital number, since it uses as much as digits as its factorization.

4440323321243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 4440323321243 its reverse (3421233230444), we get a palindrome (7861556551687).

The spelling of 4440323321243 in words is "four trillion, four hundred forty billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred forty-three".