4223165563 has 2 divisors, whose sum is σ = 4223165564. Its totient is φ = 4223165562.

The previous prime is 4223165501. The next prime is 4223165567. The reversal of 4223165563 is 3655613224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4223165563 is a prime.

It is not a weakly prime, because it can be changed into another prime (4223165567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111582781 + 2111582782.

It is an arithmetic number, because the mean of its divisors is an integer number (2111582782).

Almost surely, 2^4223165563 is an apocalyptic number.

4223165563 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223165563 is an equidigital number, since it uses as much as digits as its factorization.

4223165563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

The square root of 4223165563 is about 64985.8874141148. The cubic root of 4223165563 is about 1616.3895567881.

Adding to 4223165563 its reverse (3655613224), we get a palindrome (7878778787).

The spelling of 4223165563 in words is "four billion, two hundred twenty-three million, one hundred sixty-five thousand, five hundred sixty-three".