21332123120323 has 4 divisors (see below), whose sum is σ = 21485591632120. Its totient is φ = 21178654608528.

The previous prime is 21332123120303. The next prime is 21332123120327. The reversal of 21332123120323 is 32302132123312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21332123120323 - 2⁵ = 21332123120291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21332123120291 and 21332123120300.

It is not an unprimeable number, because it can be changed into a prime (21332123120327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76734255690 + ... + 76734255967.

It is an arithmetic number, because the mean of its divisors is an integer number (5371397908030).

Almost surely, 2^{21332123120323} is an apocalyptic number.

21332123120323 is a deficient number, since it is larger than the sum of its proper divisors (153468511797).

21332123120323 is a wasteful number, since it uses less digits than its factorization.

21332123120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153468511796.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21332123120323 its reverse (32302132123312), we get a palindrome (53634255243635).

The spelling of 21332123120323 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred twenty-three million, one hundred twenty thousand, three hundred twenty-three".