442010321423 has 24 divisors (see below), whose sum is σ = 494881117248. Its totient is φ = 394383528000.

The previous prime is 442010321399. The next prime is 442010321429. The reversal of 442010321423 is 324123010244.

It is not a de Polignac number, because 442010321423 - 2¹⁴ = 442010305039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442010321392 and 442010321401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442010321429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3352733 + ... + 3482073.

It is an arithmetic number, because the mean of its divisors is an integer number (20620046552).

Almost surely, 2^442010321423 is an apocalyptic number.

442010321423 is a deficient number, since it is larger than the sum of its proper divisors (52870795825).

442010321423 is a wasteful number, since it uses less digits than its factorization.

442010321423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129887 (or 129876 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 442010321423 its reverse (324123010244), we get a palindrome (766133331667).

The spelling of 442010321423 in words is "four hundred forty-two billion, ten million, three hundred twenty-one thousand, four hundred twenty-three".