203312122303 has 2 divisors, whose sum is σ = 203312122304. Its totient is φ = 203312122302.

The previous prime is 203312122297. The next prime is 203312122333. The reversal of 203312122303 is 303221213302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203312122303 - 2¹⁷ = 203311991231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203312122333) 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, 101656061151 + 101656061152.

It is an arithmetic number, because the mean of its divisors is an integer number (101656061152).

Almost surely, 2^203312122303 is an apocalyptic number.

203312122303 is a deficient number, since it is larger than the sum of its proper divisors (1).

203312122303 is an equidigital number, since it uses as much as digits as its factorization.

203312122303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203312122303 its reverse (303221213302), we get a palindrome (506533335605).

Subtracting 203312122303 from its reverse (303221213302), we obtain a palindrome (99909090999).

The spelling of 203312122303 in words is "two hundred three billion, three hundred twelve million, one hundred twenty-two thousand, three hundred three".