442327823 has 8 divisors (see below), whose sum is σ = 505731360. Its totient is φ = 378977760.

The previous prime is 442327817. The next prime is 442327829. The reversal of 442327823 is 328723244.

It is an interprime number because it is at equal distance from previous prime (442327817) and next prime (442327829).

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

It is not a de Polignac number, because 442327823 - 2²⁴ = 425550607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442327829) 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, 6293 + ... + 30401.

It is an arithmetic number, because the mean of its divisors is an integer number (63216420).

Almost surely, 2^442327823 is an apocalyptic number.

442327823 is a deficient number, since it is larger than the sum of its proper divisors (63403537).

442327823 is a wasteful number, since it uses less digits than its factorization.

442327823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26737.

The product of its digits is 64512, while the sum is 35.

The square root of 442327823 is about 21031.5910715286. The cubic root of 442327823 is about 761.9294367507.

The spelling of 442327823 in words is "four hundred forty-two million, three hundred twenty-seven thousand, eight hundred twenty-three".