11199623233 has 8 divisors (see below), whose sum is σ = 11344108160. Its totient is φ = 11055897360.

The previous prime is 11199623221. The next prime is 11199623287. The reversal of 11199623233 is 33232699111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11199623233 is a prime.

It is a super-2 number, since 2×11199623233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11199623333) 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, 160035 + ... + 219112.

It is an arithmetic number, because the mean of its divisors is an integer number (1418013520).

Almost surely, 2^11199623233 is an apocalyptic number.

It is an amenable number.

11199623233 is a deficient number, since it is larger than the sum of its proper divisors (144484927).

11199623233 is a wasteful number, since it uses less digits than its factorization.

11199623233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379527.

The product of its digits is 52488, while the sum is 40.

The spelling of 11199623233 in words is "eleven billion, one hundred ninety-nine million, six hundred twenty-three thousand, two hundred thirty-three".