444945223 has 2 divisors, whose sum is σ = 444945224. Its totient is φ = 444945222.

The previous prime is 444945203. The next prime is 444945227. The reversal of 444945223 is 322549444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444945223 - 2⁹ = 444944711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444945227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222472611 + 222472612.

It is an arithmetic number, because the mean of its divisors is an integer number (222472612).

Almost surely, 2^444945223 is an apocalyptic number.

444945223 is a deficient number, since it is larger than the sum of its proper divisors (1).

444945223 is an equidigital number, since it uses as much as digits as its factorization.

444945223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The square root of 444945223 is about 21093.7247303552. The cubic root of 444945223 is about 763.4293449572.

The spelling of 444945223 in words is "four hundred forty-four million, nine hundred forty-five thousand, two hundred twenty-three".