21232223323332 has 384 divisors, whose sum is σ = 58833589248000. Its totient is φ = 5956478535168.

The previous prime is 21232223323309. The next prime is 21232223323351. The reversal of 21232223323332 is 23332332223212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 21232223323293 and 21232223323302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32816419033 + ... + 32816419679.

It is an arithmetic number, because the mean of its divisors is an integer number (153212472000).

Almost surely, 2^{21232223323332} 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 21232223323332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29416794624000).

21232223323332 is an abundant number, since it is smaller than the sum of its proper divisors (37601365924668).

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

21232223323332 is a wasteful number, since it uses less digits than its factorization.

21232223323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1312 counting only the distinct ones).

The product of its digits is 93312, while the sum is 33.

Adding to 21232223323332 its reverse (23332332223212), we get a palindrome (44564555546544).

The spelling of 21232223323332 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, three hundred twenty-three thousand, three hundred thirty-two".