11642203 has 2 divisors, whose sum is σ = 11642204. Its totient is φ = 11642202.

The previous prime is 11642201. The next prime is 11642219. The reversal of 11642203 is 30224611.

11642203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11642203 - 2¹ = 11642201 is a prime.

Together with 11642201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11642201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821101 + 5821102.

It is an arithmetic number, because the mean of its divisors is an integer number (5821102).

Almost surely, 2^11642203 is an apocalyptic number.

11642203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11642203 is an equidigital number, since it uses as much as digits as its factorization.

11642203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 11642203 is about 3412.0672619396. The cubic root of 11642203 is about 226.6444328922.

Adding to 11642203 its reverse (30224611), we get a palindrome (41866814).

The spelling of 11642203 in words is "eleven million, six hundred forty-two thousand, two hundred three".