444020013223 has 8 divisors (see below), whose sum is σ = 458361446400. Its totient is φ = 429679718040.

The previous prime is 444020013187. The next prime is 444020013251. The reversal of 444020013223 is 322310020444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444020013223 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 (444020013293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547086 + ... + 1089652.

It is an arithmetic number, because the mean of its divisors is an integer number (57295180800).

Almost surely, 2^444020013223 is an apocalyptic number.

444020013223 is a deficient number, since it is larger than the sum of its proper divisors (14341433177).

444020013223 is a wasteful number, since it uses less digits than its factorization.

444020013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568997.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 444020013223 its reverse (322310020444), we get a palindrome (766330033667).

The spelling of 444020013223 in words is "four hundred forty-four billion, twenty million, thirteen thousand, two hundred twenty-three".