442342231040023 has 4 divisors (see below), whose sum is σ = 442350758828608. Its totient is φ = 442333703251440.

The previous prime is 442342231039949. The next prime is 442342231040081. The reversal of 442342231040023 is 320040132243244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442342231040023 - 2⁴⁵ = 407157858951191 is a prime.

It is a super-2 number, since 2×442342231040023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442342231040323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4263816486 + ... + 4263920227.

It is an arithmetic number, because the mean of its divisors is an integer number (110587689707152).

Almost surely, 2^{442342231040023} is an apocalyptic number.

442342231040023 is a deficient number, since it is larger than the sum of its proper divisors (8527788585).

442342231040023 is an equidigital number, since it uses as much as digits as its factorization.

442342231040023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8527788584.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 442342231040023 its reverse (320040132243244), we get a palindrome (762382363283267).

The spelling of 442342231040023 in words is "four hundred forty-two trillion, three hundred forty-two billion, two hundred thirty-one million, forty thousand, twenty-three".