11323304320 has 64 divisors (see below), whose sum is σ = 27115884000. Its totient is φ = 4521607168.

The previous prime is 11323304281. The next prime is 11323304339. The reversal of 11323304320 is 2340332311.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 11323304291 and 11323304300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368592 + ... + 398128.

Almost surely, 2^11323304320 is an apocalyptic number.

11323304320 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 11323304320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13557942000).

11323304320 is an abundant number, since it is smaller than the sum of its proper divisors (15792579680).

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

11323304320 is an equidigital number, since it uses as much as digits as its factorization.

11323304320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30155 (or 30143 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 11323304320 its reverse (2340332311), we get a palindrome (13663636631).

The spelling of 11323304320 in words is "eleven billion, three hundred twenty-three million, three hundred four thousand, three hundred twenty".