442042230223 has 8 divisors (see below), whose sum is σ = 503194317696. Its totient is φ = 384384547800.

The previous prime is 442042230163. The next prime is 442042230293. The reversal of 442042230223 is 322032240244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442042230223 - 2¹³ = 442042222031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442042230191 and 442042230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442042230293) 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 7 ways as a sum of consecutive naturals, for example, 873600993 + ... + 873601498.

It is an arithmetic number, because the mean of its divisors is an integer number (62899289712).

Almost surely, 2^442042230223 is an apocalyptic number.

442042230223 is a deficient number, since it is larger than the sum of its proper divisors (61152087473).

442042230223 is a wasteful number, since it uses less digits than its factorization.

442042230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747202525.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 442042230223 its reverse (322032240244), we get a palindrome (764074470467).

The spelling of 442042230223 in words is "four hundred forty-two billion, forty-two million, two hundred thirty thousand, two hundred twenty-three".