442023023 has 8 divisors (see below), whose sum is σ = 477653568. Its totient is φ = 406625184.

The previous prime is 442023007. The next prime is 442023031. The reversal of 442023023 is 320320244.

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

It is a cyclic number.

It is not a de Polignac number, because 442023023 - 2⁴ = 442023007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442022986 and 442023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442023073) 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 7 ways as a sum of consecutive naturals, for example, 54215 + ... + 61832.

It is an arithmetic number, because the mean of its divisors is an integer number (59706696).

Almost surely, 2^442023023 is an apocalyptic number.

442023023 is a deficient number, since it is larger than the sum of its proper divisors (35630545).

442023023 is a wasteful number, since it uses less digits than its factorization.

442023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116353.

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

The square root of 442023023 is about 21024.3435807161. The cubic root of 442023023 is about 761.7543859973.

Adding to 442023023 its reverse (320320244), we get a palindrome (762343267).

The spelling of 442023023 in words is "four hundred forty-two million, twenty-three thousand, twenty-three".