442421234030323 has 4 divisors (see below), whose sum is σ = 442585154460600. Its totient is φ = 442257313600048.

The previous prime is 442421234030291. The next prime is 442421234030387. The reversal of 442421234030323 is 323030432124244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442421234030323 - 2⁵ = 442421234030291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442421234030623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81960211090 + ... + 81960216487.

It is an arithmetic number, because the mean of its divisors is an integer number (110646288615150).

Almost surely, 2^{442421234030323} is an apocalyptic number.

442421234030323 is a deficient number, since it is larger than the sum of its proper divisors (163920430277).

442421234030323 is a wasteful number, since it uses less digits than its factorization.

442421234030323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163920430276.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 442421234030323 its reverse (323030432124244), we get a palindrome (765451666154567).

The spelling of 442421234030323 in words is "four hundred forty-two trillion, four hundred twenty-one billion, two hundred thirty-four million, thirty thousand, three hundred twenty-three".