4440323 has 2 divisors, whose sum is σ = 4440324. Its totient is φ = 4440322.

The previous prime is 4440257. The next prime is 4440343. The reversal of 4440323 is 3230444.

It is a happy number.

It is an a-pointer prime, because the next prime (4440343) can be obtained adding 4440323 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4440323 - 2⁸ = 4440067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4440295 and 4440304.

It is not a weakly prime, because it can be changed into another prime (4440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220161 + 2220162.

It is an arithmetic number, because the mean of its divisors is an integer number (2220162).

Almost surely, 2^4440323 is an apocalyptic number.

4440323 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440323 is an equidigital number, since it uses as much as digits as its factorization.

4440323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4440323 is about 2107.2073936848. The cubic root of 4440323 is about 164.3633007909.

Adding to 4440323 its reverse (3230444), we get a palindrome (7670767).

The spelling of 4440323 in words is "four million, four hundred forty thousand, three hundred twenty-three".