442134434403223 has 8 divisors (see below), whose sum is σ = 464725244923488. Its totient is φ = 419824255069824.

The previous prime is 442134434403161. The next prime is 442134434403239. The reversal of 442134434403223 is 322304434431244.

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 442134434403223 - 2⁹ = 442134434402711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442134434403223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442134434403253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70157793486 + ... + 70157799787.

It is an arithmetic number, because the mean of its divisors is an integer number (58090655615436).

Almost surely, 2^{442134434403223} is an apocalyptic number.

442134434403223 is a deficient number, since it is larger than the sum of its proper divisors (22590810520265).

442134434403223 is a wasteful number, since it uses less digits than its factorization.

442134434403223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140315593433.

The product of its (nonzero) digits is 2654208, while the sum is 43.

Adding to 442134434403223 its reverse (322304434431244), we get a palindrome (764438868834467).

The spelling of 442134434403223 in words is "four hundred forty-two trillion, one hundred thirty-four billion, four hundred thirty-four million, four hundred three thousand, two hundred twenty-three".