21323201101303 has 4 divisors (see below), whose sum is σ = 21431440701000. Its totient is φ = 21214961501608.

The previous prime is 21323201101297. The next prime is 21323201101333. The reversal of 21323201101303 is 30310110232312.

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 21323201101303 - 2²⁵ = 21323167546871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323201101333) 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, 54119799553 + ... + 54119799946.

It is an arithmetic number, because the mean of its divisors is an integer number (5357860175250).

Almost surely, 2^{21323201101303} is an apocalyptic number.

21323201101303 is a deficient number, since it is larger than the sum of its proper divisors (108239599697).

21323201101303 is a wasteful number, since it uses less digits than its factorization.

21323201101303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108239599696.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21323201101303 its reverse (30310110232312), we get a palindrome (51633311333615).

The spelling of 21323201101303 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred one million, one hundred one thousand, three hundred three".