203120230203 has 24 divisors (see below), whose sum is σ = 331922625216. Its totient is φ = 123103168200.

The previous prime is 203120230171. The next prime is 203120230213. The reversal of 203120230203 is 302032021302.

It is a happy number.

It is not a de Polignac number, because 203120230203 - 2⁵ = 203120230171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203120230213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37992133 + ... + 37997478.

It is an arithmetic number, because the mean of its divisors is an integer number (13830109384).

Almost surely, 2^203120230203 is an apocalyptic number.

203120230203 is a deficient number, since it is larger than the sum of its proper divisors (128802395013).

203120230203 is an equidigital number, since it uses as much as digits as its factorization.

203120230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75989637 (or 75989625 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203120230203 its reverse (302032021302), we get a palindrome (505152251505).

The spelling of 203120230203 in words is "two hundred three billion, one hundred twenty million, two hundred thirty thousand, two hundred three".