444020023 has 2 divisors, whose sum is σ = 444020024. Its totient is φ = 444020022.

The previous prime is 444020011. The next prime is 444020039. The reversal of 444020023 is 320020444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444020023 - 2²⁵ = 410465591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444020123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222010011 + 222010012.

It is an arithmetic number, because the mean of its divisors is an integer number (222010012).

Almost surely, 2^444020023 is an apocalyptic number.

444020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

444020023 is an equidigital number, since it uses as much as digits as its factorization.

444020023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 444020023 is about 21071.7826251127. The cubic root of 444020023 is about 762.8998303661.

Adding to 444020023 its reverse (320020444), we get a palindrome (764040467).

The spelling of 444020023 in words is "four hundred forty-four million, twenty thousand, twenty-three".