1113223203 has 16 divisors (see below), whose sum is σ = 1706090400. Its totient is φ = 716556960.

The previous prime is 1113223201. The next prime is 1113223217. The reversal of 1113223203 is 3023223111.

It is not a de Polignac number, because 1113223203 - 2¹ = 1113223201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113223201) 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, 710088 + ... + 711653.

It is an arithmetic number, because the mean of its divisors is an integer number (106630650).

Almost surely, 2^1113223203 is an apocalyptic number.

1113223203 is a deficient number, since it is larger than the sum of its proper divisors (592867197).

1113223203 is a wasteful number, since it uses less digits than its factorization.

1113223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421779 (or 1421773 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1113223203 is about 33364.9996703132. Note that the first 3 decimals coincide. The cubic root of 1113223203 is about 1036.4000293125.

Adding to 1113223203 its reverse (3023223111), we get a palindrome (4136446314).

The spelling of 1113223203 in words is "one billion, one hundred thirteen million, two hundred twenty-three thousand, two hundred three".