203223323231203 has 16 divisors (see below), whose sum is σ = 222050816751456. Its totient is φ = 184454745834240.

The previous prime is 203223323231183. The next prime is 203223323231213. The reversal of 203223323231203 is 302132323322302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203223323231203 - 2⁹ = 203223323230691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203223323231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25137751 + ... + 32223487.

It is an arithmetic number, because the mean of its divisors is an integer number (13878176046966).

Almost surely, 2^{203223323231203} is an apocalyptic number.

203223323231203 is a deficient number, since it is larger than the sum of its proper divisors (18827493520253).

203223323231203 is a wasteful number, since it uses less digits than its factorization.

203223323231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089894.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 203223323231203 its reverse (302132323322302), we get a palindrome (505355646553505).

The spelling of 203223323231203 in words is "two hundred three trillion, two hundred twenty-three billion, three hundred twenty-three million, two hundred thirty-one thousand, two hundred three".