203220223 has 2 divisors, whose sum is σ = 203220224. Its totient is φ = 203220222.

The previous prime is 203220211. The next prime is 203220233. The reversal of 203220223 is 322022302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203220223 - 2⁹ = 203219711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203220197 and 203220206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101610111 + 101610112.

It is an arithmetic number, because the mean of its divisors is an integer number (101610112).

Almost surely, 2^203220223 is an apocalyptic number.

203220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203220223 is an equidigital number, since it uses as much as digits as its factorization.

203220223 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 203220223 is about 14255.5330661466. The cubic root of 203220223 is about 587.9255144592.

Adding to 203220223 its reverse (322022302), we get a palindrome (525242525).

The spelling of 203220223 in words is "two hundred three million, two hundred twenty thousand, two hundred twenty-three".