442023444310133 has 4 divisors (see below), whose sum is σ = 505169650640160. Its totient is φ = 378877237980108.

The previous prime is 442023444310127. The next prime is 442023444310223. The reversal of 442023444310133 is 331013444320244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 442023444310133 - 2²⁴ = 442023427532917 is a prime.

It is a super-2 number, since 2×442023444310133² (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 (442023444310033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31573103165003 + ... + 31573103165016.

It is an arithmetic number, because the mean of its divisors is an integer number (126292412660040).

Almost surely, 2^{442023444310133} is an apocalyptic number.

It is an amenable number.

442023444310133 is a deficient number, since it is larger than the sum of its proper divisors (63146206330027).

442023444310133 is an equidigital number, since it uses as much as digits as its factorization.

442023444310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63146206330026.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 442023444310133 its reverse (331013444320244), we get a palindrome (773036888630377).

The spelling of 442023444310133 in words is "four hundred forty-two trillion, twenty-three billion, four hundred forty-four million, three hundred ten thousand, one hundred thirty-three".