442036023 has 32 divisors (see below), whose sum is σ = 733162752. Its totient is φ = 232742400.

The previous prime is 442035991. The next prime is 442036031. The reversal of 442036023 is 320630244.

It is a happy number.

It is not a de Polignac number, because 442036023 - 2⁵ = 442035991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442035984 and 442036002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442036043) 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, 23013 + ... + 37598.

It is an arithmetic number, because the mean of its divisors is an integer number (22911336).

Almost surely, 2^442036023 is an apocalyptic number.

442036023 is a deficient number, since it is larger than the sum of its proper divisors (291126729).

442036023 is a wasteful number, since it uses less digits than its factorization.

442036023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60655.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 442036023 is about 21024.6527438624. The cubic root of 442036023 is about 761.7618537154.

Adding to 442036023 its reverse (320630244), we get a palindrome (762666267).

The spelling of 442036023 in words is "four hundred forty-two million, thirty-six thousand, twenty-three".