444443120320223 has 4 divisors (see below), whose sum is σ = 444546889439688. Its totient is φ = 444339351200760.

The previous prime is 444443120320169. The next prime is 444443120320259. The reversal of 444443120320223 is 322023021344444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444443120320223 - 2¹⁴ = 444443120303839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444443120320123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51884553308 + ... + 51884561873.

It is an arithmetic number, because the mean of its divisors is an integer number (111136722359922).

Almost surely, 2^{444443120320223} is an apocalyptic number.

444443120320223 is a deficient number, since it is larger than the sum of its proper divisors (103769119465).

444443120320223 is a wasteful number, since it uses less digits than its factorization.

444443120320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103769119464.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 444443120320223 its reverse (322023021344444), we get a palindrome (766466141664667).

The spelling of 444443120320223 in words is "four hundred forty-four trillion, four hundred forty-three billion, one hundred twenty million, three hundred twenty thousand, two hundred twenty-three".