203223103313 has 4 divisors (see below), whose sum is σ = 203231907648. Its totient is φ = 203214298980.

The previous prime is 203223103309. The next prime is 203223103319. The reversal of 203223103313 is 313301322302.

203223103313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313301322302 = 2 ⋅156650661151.

It is a cyclic number.

It is not a de Polignac number, because 203223103313 - 2² = 203223103309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203223103319) 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 in 3 ways as a sum of consecutive naturals, for example, 4367453 + ... + 4413738.

It is an arithmetic number, because the mean of its divisors is an integer number (50807976912).

Almost surely, 2^203223103313 is an apocalyptic number.

It is an amenable number.

203223103313 is a deficient number, since it is larger than the sum of its proper divisors (8804335).

203223103313 is an equidigital number, since it uses as much as digits as its factorization.

203223103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804334.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203223103313 its reverse (313301322302), we get a palindrome (516524425615).

The spelling of 203223103313 in words is "two hundred three billion, two hundred twenty-three million, one hundred three thousand, three hundred thirteen".