21324114143 has 8 divisors (see below), whose sum is σ = 22668679920. Its totient is φ = 20001772800.

The previous prime is 21324114137. The next prime is 21324114157. The reversal of 21324114143 is 34141142312.

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-21324114143 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 (21324114173) 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, 5554130 + ... + 5557967.

It is an arithmetic number, because the mean of its divisors is an integer number (2833584990).

Almost surely, 2^21324114143 is an apocalyptic number.

21324114143 is a deficient number, since it is larger than the sum of its proper divisors (1344565777).

21324114143 is a wasteful number, since it uses less digits than its factorization.

21324114143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112217.

The product of its digits is 2304, while the sum is 26.

Adding to 21324114143 its reverse (34141142312), we get a palindrome (55465256455).

The spelling of 21324114143 in words is "twenty-one billion, three hundred twenty-four million, one hundred fourteen thousand, one hundred forty-three".