21324200014343 has 8 divisors (see below), whose sum is σ = 21329529627120. Its totient is φ = 21318871029120.

The previous prime is 21324200014331. The next prime is 21324200014349. The reversal of 21324200014343 is 34341000242312.

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

It is a cyclic number.

It is not a de Polignac number, because 21324200014343 - 2¹⁸ = 21324199752199 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 (21324200014349) 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, 71889071 + ... + 72185087.

It is an arithmetic number, because the mean of its divisors is an integer number (2666191203390).

Almost surely, 2^{21324200014343} is an apocalyptic number.

21324200014343 is a deficient number, since it is larger than the sum of its proper divisors (5329612777).

21324200014343 is a wasteful number, since it uses less digits than its factorization.

21324200014343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313777.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21324200014343 its reverse (34341000242312), we get a palindrome (55665200256655).

The spelling of 21324200014343 in words is "twenty-one trillion, three hundred twenty-four billion, two hundred million, fourteen thousand, three hundred forty-three".