4431323 has 8 divisors (see below), whose sum is σ = 4840416. Its totient is φ = 4032000.

The previous prime is 4431311. The next prime is 4431367. The reversal of 4431323 is 3231344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4431323 - 2⁴ = 4431307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4431295 and 4431304.

It is not an unprimeable number, because it can be changed into a prime (4431023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1478 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (605052).

Almost surely, 2^4431323 is an apocalyptic number.

4431323 is a deficient number, since it is larger than the sum of its proper divisors (409093).

4431323 is a wasteful number, since it uses less digits than its factorization.

4431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885.

The product of its digits is 864, while the sum is 20.

The square root of 4431323 is about 2105.0707826579. The cubic root of 4431323 is about 164.2521774734.

Adding to 4431323 its reverse (3231344), we get a palindrome (7662667).

The spelling of 4431323 in words is "four million, four hundred thirty-one thousand, three hundred twenty-three".