442024021323 has 20 divisors (see below), whose sum is σ = 699149107800. Its totient is φ = 277348404672.

The previous prime is 442024021321. The next prime is 442024021343. The reversal of 442024021323 is 323120420244.

442024021323 is a `hidden beast` number, since 4 + 420 + 2 + 4 + 0 + 213 + 23 = 666.

It is not a de Polignac number, because 442024021323 - 2¹ = 442024021321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (442024021321) 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 19 ways as a sum of consecutive naturals, for example, 160501173 + ... + 160503926.

It is an arithmetic number, because the mean of its divisors is an integer number (34957455390).

Almost surely, 2^442024021323 is an apocalyptic number.

442024021323 is a deficient number, since it is larger than the sum of its proper divisors (257125086477).

442024021323 is a wasteful number, since it uses less digits than its factorization.

442024021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321005128 (or 321005119 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 442024021323 its reverse (323120420244), we get a palindrome (765144441567).

The spelling of 442024021323 in words is "four hundred forty-two billion, twenty-four million, twenty-one thousand, three hundred twenty-three".