442044331223 has 32 divisors (see below), whose sum is σ = 537925847040. Its totient is φ = 358009666560.

The previous prime is 442044331193. The next prime is 442044331237. The reversal of 442044331223 is 322133440244.

It is a cyclic number.

It is not a de Polignac number, because 442044331223 - 2¹⁴ = 442044314839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442044331223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442044331423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4186586 + ... + 4290872.

It is an arithmetic number, because the mean of its divisors is an integer number (16810182720).

Almost surely, 2^442044331223 is an apocalyptic number.

442044331223 is a deficient number, since it is larger than the sum of its proper divisors (95881515817).

442044331223 is a wasteful number, since it uses less digits than its factorization.

442044331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105527.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 442044331223 its reverse (322133440244), we get a palindrome (764177771467).

The spelling of 442044331223 in words is "four hundred forty-two billion, forty-four million, three hundred thirty-one thousand, two hundred twenty-three".