203223310523 has 2 divisors, whose sum is σ = 203223310524. Its totient is φ = 203223310522.

The previous prime is 203223310439. The next prime is 203223310529. The reversal of 203223310523 is 325013322302.

203223310523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203223310523 - 2¹² = 203223306427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203223310492 and 203223310501.

It is not a weakly prime, because it can be changed into another prime (203223310529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101611655261 + 101611655262.

It is an arithmetic number, because the mean of its divisors is an integer number (101611655262).

Almost surely, 2^203223310523 is an apocalyptic number.

203223310523 is a deficient number, since it is larger than the sum of its proper divisors (1).

203223310523 is an equidigital number, since it uses as much as digits as its factorization.

203223310523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 203223310523 its reverse (325013322302), we get a palindrome (528236632825).

The spelling of 203223310523 in words is "two hundred three billion, two hundred twenty-three million, three hundred ten thousand, five hundred twenty-three".