11223223231320 has 192 divisors, whose sum is σ = 36561771997920. Its totient is φ = 2985784768512.

The previous prime is 11223223231267. The next prime is 11223223231333. The reversal of 11223223231320 is 2313232232211.

11223223231320 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 322 + 3 + 2 + 313 + 20 = 666.

11223223231320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392447262 + ... + 392475858.

Almost surely, 2^{11223223231320} is an apocalyptic number.

11223223231320 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 11223223231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18280885998960).

11223223231320 is an abundant number, since it is smaller than the sum of its proper divisors (25338548766600).

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

11223223231320 is a wasteful number, since it uses less digits than its factorization.

11223223231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31154 (or 31147 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 11223223231320 its reverse (2313232232211), we get a palindrome (13536455463531).

The spelling of 11223223231320 in words is "eleven trillion, two hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty".