21123232210314 has 144 divisors (see below), whose sum is σ = 51247075025952. Its totient is φ = 6281645116032.

The previous prime is 21123232210279. The next prime is 21123232210321. The reversal of 21123232210314 is 41301223232112.

21123232210314 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 323 + 2 + 21 + 0 + 314 = 666.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 9824409 + ... + 11779875.

It is an arithmetic number, because the mean of its divisors is an integer number (355882465458).

Almost surely, 2^{21123232210314} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21123232210314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25623537512976).

21123232210314 is an abundant number, since it is smaller than the sum of its proper divisors (30123842815638).

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

21123232210314 is a wasteful number, since it uses less digits than its factorization.

21123232210314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955621 (or 1955605 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 21123232210314 its reverse (41301223232112), we get a palindrome (62424455442426).

The spelling of 21123232210314 in words is "twenty-one trillion, one hundred twenty-three billion, two hundred thirty-two million, two hundred ten thousand, three hundred fourteen".