1123331320 has 32 divisors (see below), whose sum is σ = 2531037600. Its totient is φ = 448702848.

The previous prime is 1123331299. The next prime is 1123331329. The reversal of 1123331320 is 231333211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123331329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9766 + ... + 48394.

It is an arithmetic number, because the mean of its divisors is an integer number (79094925).

Almost surely, 2^1123331320 is an apocalyptic number.

1123331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123331320 is an abundant number, since it is smaller than the sum of its proper divisors (1407706280).

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

1123331320 is a wasteful number, since it uses less digits than its factorization.

1123331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39367 (or 39363 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1123331320 is about 33516.1352187271. The cubic root of 1123331320 is about 1039.5274356991.

Adding to 1123331320 its reverse (231333211), we get a palindrome (1354664531).

The spelling of 1123331320 in words is "one billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred twenty".