200001223 has 2 divisors, whose sum is σ = 200001224. Its totient is φ = 200001222.

The previous prime is 200001211. The next prime is 200001233. The reversal of 200001223 is 322100002.

It is an a-pointer prime, because the next prime (200001233) can be obtained adding 200001223 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000611 + 100000612.

It is an arithmetic number, because the mean of its divisors is an integer number (100000612).

Almost surely, 2^200001223 is an apocalyptic number.

200001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001223 is an equidigital number, since it uses as much as digits as its factorization.

200001223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 200001223 is about 14142.1788632445. The cubic root of 200001223 is about 584.8047396647.

Adding to 200001223 its reverse (322100002), we get a palindrome (522101225).

The spelling of 200001223 in words is "two hundred million, one thousand, two hundred twenty-three".