2123320000 has 140 divisors (see below), whose sum is σ = 5324358160. Its totient is φ = 839808000.

The previous prime is 2123319943. The next prime is 2123320021. The reversal of 2123320000 is 233212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4359757 + ... + 4360243.

Almost surely, 2^2123320000 is an apocalyptic number.

2123320000 is a gapful number since it is divisible by the number (20) 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 2123320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662179080).

2123320000 is an abundant number, since it is smaller than the sum of its proper divisors (3201038160).

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

2123320000 is an equidigital number, since it uses as much as digits as its factorization.

2123320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2123320000 is about 46079.4965250273. The cubic root of 2123320000 is about 1285.3019018425.

Adding to 2123320000 its reverse (233212), we get a palindrome (2123553212).

The spelling of 2123320000 in words is "two billion, one hundred twenty-three million, three hundred twenty thousand".