21324233014 has 16 divisors (see below), whose sum is σ = 37543824288. Its totient is φ = 8891957952.

The previous prime is 21324233011. The next prime is 21324233023. The reversal of 21324233014 is 41033242312.

It is a self number, because there is not a number n which added to its sum of digits gives 21324233014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21324233011) 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, 20582719 + ... + 20583754.

It is an arithmetic number, because the mean of its divisors is an integer number (2346489018).

Almost surely, 2^21324233014 is an apocalyptic number.

21324233014 is a deficient number, since it is larger than the sum of its proper divisors (16219591274).

21324233014 is a wasteful number, since it uses less digits than its factorization.

21324233014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41166519.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21324233014 its reverse (41033242312), we get a palindrome (62357475326).

The spelling of 21324233014 in words is "twenty-one billion, three hundred twenty-four million, two hundred thirty-three thousand, fourteen".