442244304023 has 16 divisors (see below), whose sum is σ = 464479375680. Its totient is φ = 420493038336.

The previous prime is 442244304017. The next prime is 442244304031. The reversal of 442244304023 is 320403442244.

It is a cyclic number.

It is not a de Polignac number, because 442244304023 - 2¹⁸ = 442244041879 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 (442244300023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208261 + ... + 1531137.

It is an arithmetic number, because the mean of its divisors is an integer number (29029960980).

Almost surely, 2^442244304023 is an apocalyptic number.

442244304023 is a deficient number, since it is larger than the sum of its proper divisors (22235071657).

442244304023 is a wasteful number, since it uses less digits than its factorization.

442244304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323626.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 442244304023 its reverse (320403442244), we get a palindrome (762647746267).

The spelling of 442244304023 in words is "four hundred forty-two billion, two hundred forty-four million, three hundred four thousand, twenty-three".