2243123320 has 32 divisors (see below), whose sum is σ = 5221065600. Its totient is φ = 866309248.

The previous prime is 2243123297. The next prime is 2243123329. The reversal of 2243123320 is 233213422.

It is a junction number, because it is equal to n+sod(n) for n = 2243123291 and 2243123300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243123329) 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, 965704 + ... + 968023.

It is an arithmetic number, because the mean of its divisors is an integer number (163158300).

Almost surely, 2^2243123320 is an apocalyptic number.

2243123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243123320 is an abundant number, since it is smaller than the sum of its proper divisors (2977942280).

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

2243123320 is a wasteful number, since it uses less digits than its factorization.

2243123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933767 (or 1933763 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2243123320 is about 47361.6228607086. The cubic root of 2243123320 is about 1309.0343718159.

Adding to 2243123320 its reverse (233213422), we get a palindrome (2476336742).

The spelling of 2243123320 in words is "two billion, two hundred forty-three million, one hundred twenty-three thousand, three hundred twenty".