442200323 has 12 divisors (see below), whose sum is σ = 477907248. Its totient is φ = 408371040.

The previous prime is 442200289. The next prime is 442200331. The reversal of 442200323 is 323002244.

It is not a de Polignac number, because 442200323 - 2¹⁸ = 441938179 is a prime.

It is a super-2 number, since 2×442200323² = 391082251322608658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442200295 and 442200304.

It is not an unprimeable number, because it can be changed into a prime (442200373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7913 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (39825604).

Almost surely, 2^442200323 is an apocalyptic number.

442200323 is a deficient number, since it is larger than the sum of its proper divisors (35706925).

442200323 is a wasteful number, since it uses less digits than its factorization.

442200323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22942 (or 22913 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 442200323 is about 21028.5596986574. The cubic root of 442200323 is about 761.8562215668.

Adding to 442200323 its reverse (323002244), we get a palindrome (765202567).

The spelling of 442200323 in words is "four hundred forty-two million, two hundred thousand, three hundred twenty-three".