203130111223 has 16 divisors (see below), whose sum is σ = 226036384000. Its totient is φ = 181275978240.

The previous prime is 203130111211. The next prime is 203130111227. The reversal of 203130111223 is 322111031302.

It is a cyclic number.

It is not a de Polignac number, because 203130111223 - 2²⁵ = 203096556791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203130111223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130111227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156853 + ... + 656401.

It is an arithmetic number, because the mean of its divisors is an integer number (14127274000).

Almost surely, 2^203130111223 is an apocalyptic number.

203130111223 is a deficient number, since it is larger than the sum of its proper divisors (22906272777).

203130111223 is a wasteful number, since it uses less digits than its factorization.

203130111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500602.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203130111223 its reverse (322111031302), we get a palindrome (525241142525).

The spelling of 203130111223 in words is "two hundred three billion, one hundred thirty million, one hundred eleven thousand, two hundred twenty-three".