203303323122223 has 2 divisors, whose sum is σ = 203303323122224. Its totient is φ = 203303323122222.

The previous prime is 203303323122191. The next prime is 203303323122269. The reversal of 203303323122223 is 322221323303302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203303323122223 - 2⁵ = 203303323122191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203303323122323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101651661561111 + 101651661561112.

It is an arithmetic number, because the mean of its divisors is an integer number (101651661561112).

Almost surely, 2^{203303323122223} is an apocalyptic number.

203303323122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203303323122223 is an equidigital number, since it uses as much as digits as its factorization.

203303323122223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 203303323122223 its reverse (322221323303302), we get a palindrome (525524646425525).

The spelling of 203303323122223 in words is "two hundred three trillion, three hundred three billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-three".