4223403344305 has 16 divisors (see below), whose sum is σ = 5085655528464. Its totient is φ = 3367009578240.

The previous prime is 4223403344243. The next prime is 4223403344359. The reversal of 4223403344305 is 5034433043224.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1005369187761 + 3218034156544 = 1002681^2 + 1793888^2 .

It is not a de Polignac number, because 4223403344305 - 2³⁹ = 3673647530417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31455415 + ... + 31589395.

It is an arithmetic number, because the mean of its divisors is an integer number (317853470529).

Almost surely, 2^{4223403344305} is an apocalyptic number.

It is an amenable number.

4223403344305 is a deficient number, since it is larger than the sum of its proper divisors (862252184159).

4223403344305 is a wasteful number, since it uses less digits than its factorization.

4223403344305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155796.

The product of its (nonzero) digits is 414720, while the sum is 37.

Adding to 4223403344305 its reverse (5034433043224), we get a palindrome (9257836387529).

The spelling of 4223403344305 in words is "four trillion, two hundred twenty-three billion, four hundred three million, three hundred forty-four thousand, three hundred five".