2123332432 has 60 divisors (see below), whose sum is σ = 4536665364. Its totient is φ = 957035520.

The previous prime is 2123332427. The next prime is 2123332439. The reversal of 2123332432 is 2342333212.

It can be written as a sum of positive squares in 2 ways, for example, as 447576336 + 1675756096 = 21156^2 + 40936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2123332397 and 2123332406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123332439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381832 + ... + 387352.

Almost surely, 2^2123332432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123332432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268332682).

2123332432 is an abundant number, since it is smaller than the sum of its proper divisors (2413332932).

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

2123332432 is a wasteful number, since it uses less digits than its factorization.

2123332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628 (or 5579 counting only the distinct ones).

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

The square root of 2123332432 is about 46079.6314221370. The cubic root of 2123332432 is about 1285.3044103107.

Adding to 2123332432 its reverse (2342333212), we get a palindrome (4465665644).

The spelling of 2123332432 in words is "two billion, one hundred twenty-three million, three hundred thirty-two thousand, four hundred thirty-two".