442087023 has 32 divisors (see below), whose sum is σ = 718156800. Its totient is φ = 236136960.

The previous prime is 442087013. The next prime is 442087027. The reversal of 442087023 is 320780244.

It is not a de Polignac number, because 442087023 - 2⁴ = 442087007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442087027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49038 + ... + 57348.

It is an arithmetic number, because the mean of its divisors is an integer number (22442400).

Almost surely, 2^442087023 is an apocalyptic number.

442087023 is a deficient number, since it is larger than the sum of its proper divisors (276069777).

442087023 is a wasteful number, since it uses less digits than its factorization.

442087023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 442087023 is about 21025.8655707678. The cubic root of 442087023 is about 761.7911487339.

The spelling of 442087023 in words is "four hundred forty-two million, eighty-seven thousand, twenty-three".