11203213443 has 4 divisors (see below), whose sum is σ = 14937617928. Its totient is φ = 7468808960.

The previous prime is 11203213423. The next prime is 11203213459. The reversal of 11203213443 is 34431230211.

It is a happy number.

11203213443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11203213443 - 2⁸ = 11203213187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203213423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867202238 + ... + 1867202243.

It is an arithmetic number, because the mean of its divisors is an integer number (3734404482).

Almost surely, 2^11203213443 is an apocalyptic number.

11203213443 is a deficient number, since it is larger than the sum of its proper divisors (3734404485).

11203213443 is an equidigital number, since it uses as much as digits as its factorization.

11203213443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734404484.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11203213443 its reverse (34431230211), we get a palindrome (45634443654).

The spelling of 11203213443 in words is "eleven billion, two hundred three million, two hundred thirteen thousand, four hundred forty-three".