11203033123 has 8 divisors (see below), whose sum is σ = 11902571280. Its totient is φ = 10524376800.

The previous prime is 11203033109. The next prime is 11203033157. The reversal of 11203033123 is 32133030211.

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 11203033123 - 2²⁹ = 10666162211 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 11203033123.

It is not an unprimeable number, because it can be changed into a prime (11203033183) 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, 5219353 + ... + 5221498.

It is an arithmetic number, because the mean of its divisors is an integer number (1487821410).

Almost surely, 2^11203033123 is an apocalyptic number.

11203033123 is a deficient number, since it is larger than the sum of its proper divisors (699538157).

11203033123 is a wasteful number, since it uses less digits than its factorization.

11203033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440917.

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

Adding to 11203033123 its reverse (32133030211), we get a palindrome (43336063334).

The spelling of 11203033123 in words is "eleven billion, two hundred three million, thirty-three thousand, one hundred twenty-three".