420003223 has 2 divisors, whose sum is σ = 420003224. Its totient is φ = 420003222.

The previous prime is 420003209. The next prime is 420003251. The reversal of 420003223 is 322300024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420003223 - 2⁵ = 420003191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420003197 and 420003206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420003293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210001611 + 210001612.

It is an arithmetic number, because the mean of its divisors is an integer number (210001612).

Almost surely, 2^420003223 is an apocalyptic number.

420003223 is a deficient number, since it is larger than the sum of its proper divisors (1).

420003223 is an equidigital number, since it uses as much as digits as its factorization.

420003223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 420003223 is about 20493.9801649167. The cubic root of 420003223 is about 748.8891543230.

Adding to 420003223 its reverse (322300024), we get a palindrome (742303247).

The spelling of 420003223 in words is "four hundred twenty million, three thousand, two hundred twenty-three".