4431023 has 2 divisors, whose sum is σ = 4431024. Its totient is φ = 4431022.

The previous prime is 4431017. The next prime is 4431029. The reversal of 4431023 is 3201344.

It is a balanced prime because it is at equal distance from previous prime (4431017) and next prime (4431029).

It is a cyclic number.

It is not a de Polignac number, because 4431023 - 2¹² = 4426927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4430992 and 4431010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4431029) 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 as a sum of consecutive naturals, namely, 2215511 + 2215512.

It is an arithmetic number, because the mean of its divisors is an integer number (2215512).

Almost surely, 2^4431023 is an apocalyptic number.

4431023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431023 is an equidigital number, since it uses as much as digits as its factorization.

4431023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4431023 is about 2104.9995249406. Note that the first 3 decimals coincide. The cubic root of 4431023 is about 164.2484707726.

Adding to 4431023 its reverse (3201344), we get a palindrome (7632367).

The spelling of 4431023 in words is "four million, four hundred thirty-one thousand, twenty-three".