203312313223 has 2 divisors, whose sum is σ = 203312313224. Its totient is φ = 203312313222.

The previous prime is 203312313163. The next prime is 203312313257. The reversal of 203312313223 is 322313213302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203312313223 - 2⁹ = 203312312711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203312313283) 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, 101656156611 + 101656156612.

It is an arithmetic number, because the mean of its divisors is an integer number (101656156612).

Almost surely, 2^203312313223 is an apocalyptic number.

203312313223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203312313223 is an equidigital number, since it uses as much as digits as its factorization.

203312313223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203312313223 its reverse (322313213302), we get a palindrome (525625526525).

The spelling of 203312313223 in words is "two hundred three billion, three hundred twelve million, three hundred thirteen thousand, two hundred twenty-three".