203213323203 has 16 divisors (see below), whose sum is σ = 295591182336. Its totient is φ = 123156187040.

The previous prime is 203213323199. The next prime is 203213323237. The reversal of 203213323203 is 302323312302.

It is a cyclic number.

It is not a de Polignac number, because 203213323203 - 2² = 203213323199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203213323303) 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, 1664401 + ... + 1782317.

It is an arithmetic number, because the mean of its divisors is an integer number (18474448896).

Almost surely, 2^203213323203 is an apocalyptic number.

203213323203 is a deficient number, since it is larger than the sum of its proper divisors (92377859133).

203213323203 is a wasteful number, since it uses less digits than its factorization.

203213323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170154.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 203213323203 its reverse (302323312302), we get a palindrome (505536635505).

The spelling of 203213323203 in words is "two hundred three billion, two hundred thirteen million, three hundred twenty-three thousand, two hundred three".