21202203301323 has 8 divisors (see below), whose sum is σ = 30839568438336. Its totient is φ = 12849820182600.

The previous prime is 21202203301231. The next prime is 21202203301373. The reversal of 21202203301323 is 32310330220212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21202203301323 - 2⁸ = 21202203301067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21202203301293 and 21202203301302.

It is not an unprimeable number, because it can be changed into a prime (21202203301373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321245504533 + ... + 321245504598.

It is an arithmetic number, because the mean of its divisors is an integer number (3854946054792).

Almost surely, 2^{21202203301323} is an apocalyptic number.

21202203301323 is a deficient number, since it is larger than the sum of its proper divisors (9637365137013).

21202203301323 is a wasteful number, since it uses less digits than its factorization.

21202203301323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642491009145.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21202203301323 its reverse (32310330220212), we get a palindrome (53512533521535).

The spelling of 21202203301323 in words is "twenty-one trillion, two hundred two billion, two hundred three million, three hundred one thousand, three hundred twenty-three".