11533603223 has 4 divisors (see below), whose sum is σ = 11534000160. Its totient is φ = 11533206288.

The previous prime is 11533603189. The next prime is 11533603247. The reversal of 11533603223 is 32230633511.

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 11533603223 - 2³² = 7238635927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11533603283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151118 + ... + 214251.

It is an arithmetic number, because the mean of its divisors is an integer number (2883500040).

Almost surely, 2^11533603223 is an apocalyptic number.

11533603223 is a deficient number, since it is larger than the sum of its proper divisors (396937).

11533603223 is an equidigital number, since it uses as much as digits as its factorization.

11533603223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396936.

The product of its (nonzero) digits is 9720, while the sum is 29.

The spelling of 11533603223 in words is "eleven billion, five hundred thirty-three million, six hundred three thousand, two hundred twenty-three".