21313200213223 has 8 divisors (see below), whose sum is σ = 22377214842480. Its totient is φ = 20271124030080.

The previous prime is 21313200213157. The next prime is 21313200213233. The reversal of 21313200213223 is 32231200231312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21313200213223 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 (21313200213233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5484609538 + ... + 5484613423.

It is an arithmetic number, because the mean of its divisors is an integer number (2797151855310).

Almost surely, 2^{21313200213223} is an apocalyptic number.

21313200213223 is a deficient number, since it is larger than the sum of its proper divisors (1064014629257).

21313200213223 is a wasteful number, since it uses less digits than its factorization.

21313200213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969223057.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21313200213223 its reverse (32231200231312), we get a palindrome (53544400444535).

The spelling of 21313200213223 in words is "twenty-one trillion, three hundred thirteen billion, two hundred million, two hundred thirteen thousand, two hundred twenty-three".