203312311032323 has 2 divisors, whose sum is σ = 203312311032324. Its totient is φ = 203312311032322.

The previous prime is 203312311032317. The next prime is 203312311032353. The reversal of 203312311032323 is 323230113213302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203312311032323 - 2⁴ = 203312311032307 is a prime.

It is not a weakly prime, because it can be changed into another prime (203312311032353) 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, 101656155516161 + 101656155516162.

It is an arithmetic number, because the mean of its divisors is an integer number (101656155516162).

Almost surely, 2^{203312311032323} is an apocalyptic number.

203312311032323 is a deficient number, since it is larger than the sum of its proper divisors (1).

203312311032323 is an equidigital number, since it uses as much as digits as its factorization.

203312311032323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 203312311032323 its reverse (323230113213302), we get a palindrome (526542424245625).

The spelling of 203312311032323 in words is "two hundred three trillion, three hundred twelve billion, three hundred eleven million, thirty-two thousand, three hundred twenty-three".