442323321243 has 8 divisors (see below), whose sum is σ = 598070969856. Its totient is φ = 290728943400.

The previous prime is 442323321239. The next prime is 442323321247. The reversal of 442323321243 is 342123323244.

It is an interprime number because it is at equal distance from previous prime (442323321239) and next prime (442323321247).

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

It is not a de Polignac number, because 442323321243 - 2² = 442323321239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442323321247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038317443 + ... + 1038317868.

It is an arithmetic number, because the mean of its divisors is an integer number (74758871232).

Almost surely, 2^442323321243 is an apocalyptic number.

442323321243 is a deficient number, since it is larger than the sum of its proper divisors (155747648613).

442323321243 is a wasteful number, since it uses less digits than its factorization.

442323321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076635385.

The product of its digits is 82944, while the sum is 33.

Adding to 442323321243 its reverse (342123323244), we get a palindrome (784446644487).

The spelling of 442323321243 in words is "four hundred forty-two billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred forty-three".