1123013320 has 64 divisors (see below), whose sum is σ = 2968539840. Its totient is φ = 376953600.

The previous prime is 1123013299. The next prime is 1123013357. The reversal of 1123013320 is 233103211.

It is a super-2 number, since 2×1123013320² = 2522317833794844800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123013294 and 1123013303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92446 + ... + 103885.

It is an arithmetic number, because the mean of its divisors is an integer number (46383435).

Almost surely, 2^1123013320 is an apocalyptic number.

1123013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123013320 is an abundant number, since it is smaller than the sum of its proper divisors (1845526520).

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

1123013320 is a wasteful number, since it uses less digits than its factorization.

1123013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196366 (or 196362 counting only the distinct ones).

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

The square root of 1123013320 is about 33511.3908992152. The cubic root of 1123013320 is about 1039.4293343593.

Adding to 1123013320 its reverse (233103211), we get a palindrome (1356116531).

The spelling of 1123013320 in words is "one billion, one hundred twenty-three million, thirteen thousand, three hundred twenty".