444540323 has 2 divisors, whose sum is σ = 444540324. Its totient is φ = 444540322.

The previous prime is 444540287. The next prime is 444540331. The reversal of 444540323 is 323045444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444540323 - 2²⁴ = 427763107 is a prime.

It is not a weakly prime, because it can be changed into another prime (444540223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222270161 + 222270162.

It is an arithmetic number, because the mean of its divisors is an integer number (222270162).

Almost surely, 2^444540323 is an apocalyptic number.

444540323 is a deficient number, since it is larger than the sum of its proper divisors (1).

444540323 is an equidigital number, since it uses as much as digits as its factorization.

444540323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 444540323 is about 21084.1249047714. The cubic root of 444540323 is about 763.1977011973.

Adding to 444540323 its reverse (323045444), we get a palindrome (767585767).

The spelling of 444540323 in words is "four hundred forty-four million, five hundred forty thousand, three hundred twenty-three".