11323111200 has 72 divisors (see below), whose sum is σ = 36856734768. Its totient is φ = 3019495680.

The previous prime is 11323111193. The next prime is 11323111207. The reversal of 11323111200 is 211132311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11323111193) and next prime (11323111207).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11323111200.

It is not an unprimeable number, because it can be changed into a prime (11323111207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356582 + ... + 2361381.

It is an arithmetic number, because the mean of its divisors is an integer number (511899094).

Almost surely, 2^11323111200 is an apocalyptic number.

11323111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323111200 is an abundant number, since it is smaller than the sum of its proper divisors (25533623568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323111200 is a wasteful number, since it uses less digits than its factorization.

11323111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717986 (or 4717973 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11323111200 its reverse (211132311), we get a palindrome (11534243511).

The spelling of 11323111200 in words is "eleven billion, three hundred twenty-three million, one hundred eleven thousand, two hundred".