11203023133 has 16 divisors (see below), whose sum is σ = 11889561600. Its totient is φ = 10537430400.

The previous prime is 11203023119. The next prime is 11203023163. The reversal of 11203023133 is 33132030211.

It is a cyclic number.

It is not a de Polignac number, because 11203023133 - 2¹³ = 11203014941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11203023133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203023163) 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, 1198548 + ... + 1207858.

It is an arithmetic number, because the mean of its divisors is an integer number (743097600).

Almost surely, 2^11203023133 is an apocalyptic number.

It is an amenable number.

11203023133 is a deficient number, since it is larger than the sum of its proper divisors (686538467).

11203023133 is a wasteful number, since it uses less digits than its factorization.

11203023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11203023133 its reverse (33132030211), we get a palindrome (44335053344).

The spelling of 11203023133 in words is "eleven billion, two hundred three million, twenty-three thousand, one hundred thirty-three".