442323 has 36 divisors (see below), whose sum is σ = 800280. Its totient is φ = 233856.

The previous prime is 442319. The next prime is 442327. The reversal of 442323 is 323244.

It is an interprime number because it is at equal distance from previous prime (442319) and next prime (442327).

It is not a de Polignac number, because 442323 - 2² = 442319 is a prime.

Its product of digits (576) is a multiple of the sum of its prime factors (96).

It is a junction number, because it is equal to n+sod(n) for n = 442296 and 442305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7468 + ... + 7526.

It is an arithmetic number, because the mean of its divisors is an integer number (22230).

2⁴⁴²³²³ is an apocalyptic number.

442323 is a deficient number, since it is larger than the sum of its proper divisors (357957).

442323 is a wasteful number, since it uses less digits than its factorization.

442323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 86 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 442323 is about 665.0736801288. The cubic root of 442323 is about 76.1926667463.

Adding to 442323 its reverse (323244), we get a palindrome (765567).

The spelling of 442323 in words is "four hundred forty-two thousand, three hundred twenty-three", and thus it is an iban number.