442523312343 has 96 divisors (see below), whose sum is σ = 809813592000. Its totient is φ = 237309585408.

The previous prime is 442523312333. The next prime is 442523312347. The reversal of 442523312343 is 343213325244.

442523312343 is a `hidden beast` number, since 4 + 4 + 2 + 523 + 3 + 123 + 4 + 3 = 666.

It is not a de Polignac number, because 442523312343 - 2¹⁰ = 442523311319 is a prime.

It is a super-2 number, since 2×442523312343² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442523312298 and 442523312307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442523312347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7821171 + ... + 7877547.

It is an arithmetic number, because the mean of its divisors is an integer number (8435558250).

Almost surely, 2^442523312343 is an apocalyptic number.

442523312343 is a deficient number, since it is larger than the sum of its proper divisors (367290279657).

442523312343 is a wasteful number, since it uses less digits than its factorization.

442523312343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56766 (or 56753 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

Adding to 442523312343 its reverse (343213325244), we get a palindrome (785736637587).

The spelling of 442523312343 in words is "four hundred forty-two billion, five hundred twenty-three million, three hundred twelve thousand, three hundred forty-three".