444323423 has 2 divisors, whose sum is σ = 444323424. Its totient is φ = 444323422.

The previous prime is 444323401. The next prime is 444323443. The reversal of 444323423 is 324323444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444323423 - 2⁶ = 444323359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444323443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222161711 + 222161712.

It is an arithmetic number, because the mean of its divisors is an integer number (222161712).

Almost surely, 2^444323423 is an apocalyptic number.

444323423 is a deficient number, since it is larger than the sum of its proper divisors (1).

444323423 is an equidigital number, since it uses as much as digits as its factorization.

444323423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 29.

The square root of 444323423 is about 21078.9805967936. The cubic root of 444323423 is about 763.0735545952.

Adding to 444323423 its reverse (324323444), we get a palindrome (768646867).

The spelling of 444323423 in words is "four hundred forty-four million, three hundred twenty-three thousand, four hundred twenty-three".