442255304423 has 2 divisors, whose sum is σ = 442255304424. Its totient is φ = 442255304422.

The previous prime is 442255304417. The next prime is 442255304461. The reversal of 442255304423 is 324403552244.

It is an a-pointer prime, because the next prime (442255304461) can be obtained adding 442255304423 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442255304423 - 2¹⁴ = 442255288039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442255304473) 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 as a sum of consecutive naturals, namely, 221127652211 + 221127652212.

It is an arithmetic number, because the mean of its divisors is an integer number (221127652212).

Almost surely, 2^442255304423 is an apocalyptic number.

442255304423 is a deficient number, since it is larger than the sum of its proper divisors (1).

442255304423 is an equidigital number, since it uses as much as digits as its factorization.

442255304423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 442255304423 its reverse (324403552244), we get a palindrome (766658856667).

The spelling of 442255304423 in words is "four hundred forty-two billion, two hundred fifty-five million, three hundred four thousand, four hundred twenty-three".