442330323 has 16 divisors (see below), whose sum is σ = 597838080. Its totient is φ = 290866464.

The previous prime is 442330321. The next prime is 442330333. The reversal of 442330323 is 323033244.

It is not a de Polignac number, because 442330323 - 2¹ = 442330321 is a prime.

It is a super-2 number, since 2×442330323² = 391312229290568658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442330293 and 442330302.

It is not an unprimeable number, because it can be changed into a prime (442330321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227865 + ... + 229797.

It is an arithmetic number, because the mean of its divisors is an integer number (37364880).

Almost surely, 2^442330323 is an apocalyptic number.

442330323 is a deficient number, since it is larger than the sum of its proper divisors (155507757).

442330323 is a wasteful number, since it uses less digits than its factorization.

442330323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 442330323 is about 21031.6505058448. The cubic root of 442330323 is about 761.9308722019.

Adding to 442330323 its reverse (323033244), we get a palindrome (765363567).

The spelling of 442330323 in words is "four hundred forty-two million, three hundred thirty thousand, three hundred twenty-three".