1113023320 has 128 divisors (see below), whose sum is σ = 2739873600. Its totient is φ = 405323776.

The previous prime is 1113023311. The next prime is 1113023321. The reversal of 1113023320 is 233203111.

It is a junction number, because it is equal to n+sod(n) for n = 1113023294 and 1113023303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113023321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3207387 + ... + 3207733.

Almost surely, 2^1113023320 is an apocalyptic number.

1113023320 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 1113023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369936800).

1113023320 is an abundant number, since it is smaller than the sum of its proper divisors (1626850280).

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

1113023320 is a wasteful number, since it uses less digits than its factorization.

1113023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1113023320 is about 33362.0041364424. The cubic root of 1113023320 is about 1036.3379958867.

Adding to 1113023320 its reverse (233203111), we get a palindrome (1346226431).

The spelling of 1113023320 in words is "one billion, one hundred thirteen million, twenty-three thousand, three hundred twenty".