11323313320 has 256 divisors, whose sum is σ = 29859840000. Its totient is φ = 3825669120.

The previous prime is 11323313303. The next prime is 11323313327. The reversal of 11323313320 is 2331332311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11323313291 and 11323313300.

It is not an unprimeable number, because it can be changed into a prime (11323313327) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47377761 + ... + 47377999.

It is an arithmetic number, because the mean of its divisors is an integer number (116640000).

Almost surely, 2^11323313320 is an apocalyptic number.

11323313320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11323313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14929920000).

11323313320 is an abundant number, since it is smaller than the sum of its proper divisors (18536526680).

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

11323313320 is a wasteful number, since it uses less digits than its factorization.

11323313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 11323313320 its reverse (2331332311), we get a palindrome (13654645631).

The spelling of 11323313320 in words is "eleven billion, three hundred twenty-three million, three hundred thirteen thousand, three hundred twenty".