4031323 has 4 divisors (see below), whose sum is σ = 4091560. Its totient is φ = 3971088.

The previous prime is 4031303. The next prime is 4031327. The reversal of 4031323 is 3231304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4031323 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 4031297 and 4031306.

It is not an unprimeable number, because it can be changed into a prime (4031327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30018 + ... + 30151.

It is an arithmetic number, because the mean of its divisors is an integer number (1022890).

Almost surely, 2^4031323 is an apocalyptic number.

4031323 is a deficient number, since it is larger than the sum of its proper divisors (60237).

4031323 is an equidigital number, since it uses as much as digits as its factorization.

4031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60236.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 4031323 is about 2007.8154795698. The cubic root of 4031323 is about 159.1533796766.

Adding to 4031323 its reverse (3231304), we get a palindrome (7262627).

The spelling of 4031323 in words is "four million, thirty-one thousand, three hundred twenty-three".