4223421420203 has 2 divisors, whose sum is σ = 4223421420204. Its totient is φ = 4223421420202.

The previous prime is 4223421420161. The next prime is 4223421420217. The reversal of 4223421420203 is 3020241243224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223421420203 - 2¹⁴ = 4223421403819 is a prime.

It is a super-2 number, since 2×4223421420203² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4223421428203) by changing a digit.

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 as a sum of consecutive naturals, namely, 2111710710101 + 2111710710102.

It is an arithmetic number, because the mean of its divisors is an integer number (2111710710102).

Almost surely, 2^{4223421420203} is an apocalyptic number.

4223421420203 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223421420203 is an equidigital number, since it uses as much as digits as its factorization.

4223421420203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4223421420203 its reverse (3020241243224), we get a palindrome (7243662663427).

The spelling of 4223421420203 in words is "four trillion, two hundred twenty-three billion, four hundred twenty-one million, four hundred twenty thousand, two hundred three".