444294665723 has 2 divisors, whose sum is σ = 444294665724. Its totient is φ = 444294665722.

The previous prime is 444294665699. The next prime is 444294665777. The reversal of 444294665723 is 327566492444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444294665723 - 2¹² = 444294661627 is a prime.

It is a super-2 number, since 2×444294665723² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (444294695723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222147332861 + 222147332862.

It is an arithmetic number, because the mean of its divisors is an integer number (222147332862).

Almost surely, 2^444294665723 is an apocalyptic number.

444294665723 is a deficient number, since it is larger than the sum of its proper divisors (1).

444294665723 is an equidigital number, since it uses as much as digits as its factorization.

444294665723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 56.

The spelling of 444294665723 in words is "four hundred forty-four billion, two hundred ninety-four million, six hundred sixty-five thousand, seven hundred twenty-three".