2123443330 has 8 divisors (see below), whose sum is σ = 3822198012. Its totient is φ = 849377328.

The previous prime is 2123443319. The next prime is 2123443349. The reversal of 2123443330 is 333443212.

It can be written as a sum of positive squares in 2 ways, for example, as 2018974489 + 104468841 = 44933^2 + 10221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2123443295 and 2123443304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106172157 + ... + 106172176.

Almost surely, 2^2123443330 is an apocalyptic number.

2123443330 is a deficient number, since it is larger than the sum of its proper divisors (1698754682).

2123443330 is a wasteful number, since it uses less digits than its factorization.

2123443330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212344340.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 2123443330 is about 46080.8347363630. The cubic root of 2123443330 is about 1285.3267863338.

Adding to 2123443330 its reverse (333443212), we get a palindrome (2456886542).

The spelling of 2123443330 in words is "two billion, one hundred twenty-three million, four hundred forty-three thousand, three hundred thirty".