442523312347 has 2 divisors, whose sum is σ = 442523312348. Its totient is φ = 442523312346.

The previous prime is 442523312333. The next prime is 442523312353. The reversal of 442523312347 is 743213325244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442523312347 - 2⁷ = 442523312219 is a prime.

It is not a weakly prime, because it can be changed into another prime (442523312047) 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 as a sum of consecutive naturals, namely, 221261656173 + 221261656174.

It is an arithmetic number, because the mean of its divisors is an integer number (221261656174).

Almost surely, 2^442523312347 is an apocalyptic number.

442523312347 is a deficient number, since it is larger than the sum of its proper divisors (1).

442523312347 is an equidigital number, since it uses as much as digits as its factorization.

442523312347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 40.

The spelling of 442523312347 in words is "four hundred forty-two billion, five hundred twenty-three million, three hundred twelve thousand, three hundred forty-seven".