442423003243343 has 4 divisors (see below), whose sum is σ = 442423048855848. Its totient is φ = 442422957630840.

The previous prime is 442423003243301. The next prime is 442423003243391. The reversal of 442423003243343 is 343342300324244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442423003243343 - 2²⁸ = 442422734807887 is a prime.

It is a super-2 number, since 2×442423003243343² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442423003243343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442323003243343) 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, 1819196 + ... + 29801937.

It is an arithmetic number, because the mean of its divisors is an integer number (110605762213962).

Almost surely, 2^{442423003243343} is an apocalyptic number.

442423003243343 is a deficient number, since it is larger than the sum of its proper divisors (45612505).

442423003243343 is a wasteful number, since it uses less digits than its factorization.

442423003243343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45612504.

The product of its (nonzero) digits is 1990656, while the sum is 41.

Adding to 442423003243343 its reverse (343342300324244), we get a palindrome (785765303567587).

The spelling of 442423003243343 in words is "four hundred forty-two trillion, four hundred twenty-three billion, three million, two hundred forty-three thousand, three hundred forty-three".