21323314 has 8 divisors (see below), whose sum is σ = 32197248. Its totient is φ = 10590900.

The previous prime is 21323311. The next prime is 21323371. The reversal of 21323314 is 41332312.

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

It is a junction number, because it is equal to n+sod(n) for n = 21323291 and 21323300.

It is not an unprimeable number, because it can be changed into a prime (21323311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35002 + ... + 35605.

It is an arithmetic number, because the mean of its divisors is an integer number (4024656).

Almost surely, 2^21323314 is an apocalyptic number.

21323314 is a deficient number, since it is larger than the sum of its proper divisors (10873934).

21323314 is a wasteful number, since it uses less digits than its factorization.

21323314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70760.

The product of its digits is 432, while the sum is 19.

The square root of 21323314 is about 4617.7174014874. The cubic root of 21323314 is about 277.3010840804.

Adding to 21323314 its reverse (41332312), we get a palindrome (62655626).

The spelling of 21323314 in words is "twenty-one million, three hundred twenty-three thousand, three hundred fourteen".