442352345123223 has 32 divisors (see below), whose sum is σ = 694130101862400. Its totient is φ = 277456784508288.

The previous prime is 442352345123173. The next prime is 442352345123267. The reversal of 442352345123223 is 322321543253244.

442352345123223 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 52 + 34 + 512 + 32 + 23 = 666.

It is not a de Polignac number, because 442352345123223 - 2¹⁸ = 442352344861079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442352345124223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168186903 + ... + 170796776.

It is an arithmetic number, because the mean of its divisors is an integer number (21691565683200).

Almost surely, 2^{442352345123223} is an apocalyptic number.

442352345123223 is a deficient number, since it is larger than the sum of its proper divisors (251777756739177).

442352345123223 is a wasteful number, since it uses less digits than its factorization.

442352345123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338986548 (or 338986542 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 45.

Adding to 442352345123223 its reverse (322321543253244), we get a palindrome (764673888376467).

The spelling of 442352345123223 in words is "four hundred forty-two trillion, three hundred fifty-two billion, three hundred forty-five million, one hundred twenty-three thousand, two hundred twenty-three".