11203230203 has 8 divisors (see below), whose sum is σ = 12224618496. Its totient is φ = 10182327400.

The previous prime is 11203230179. The next prime is 11203230221. The reversal of 11203230203 is 30203230211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11203230203 - 2³⁰ = 10129488379 is a prime.

It is a super-2 number, since 2×11203230203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203230223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72251 + ... + 166212.

It is an arithmetic number, because the mean of its divisors is an integer number (1528077312).

Almost surely, 2^11203230203 is an apocalyptic number.

11203230203 is a deficient number, since it is larger than the sum of its proper divisors (1021388293).

11203230203 is a wasteful number, since it uses less digits than its factorization.

11203230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242745.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11203230203 its reverse (30203230211), we get a palindrome (41406460414).

It can be divided in two parts, 1120 and 3230203, that added together give a palindrome (3231323).

The spelling of 11203230203 in words is "eleven billion, two hundred three million, two hundred thirty thousand, two hundred three".