21323201014 has 16 divisors (see below), whose sum is σ = 34958722176. Its totient is φ = 9710755200.

The previous prime is 21323200999. The next prime is 21323201083. The reversal of 21323201014 is 41010232312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21323200982 and 21323201000.

It is a congruent number.

It is an unprimeable number.

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, 10114317 + ... + 10116424.

It is an arithmetic number, because the mean of its divisors is an integer number (2184920136).

Almost surely, 2^21323201014 is an apocalyptic number.

21323201014 is a deficient number, since it is larger than the sum of its proper divisors (13635521162).

21323201014 is a wasteful number, since it uses less digits than its factorization.

21323201014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20230791.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21323201014 its reverse (41010232312), we get a palindrome (62333433326).

The spelling of 21323201014 in words is "twenty-one billion, three hundred twenty-three million, two hundred one thousand, fourteen".