21423330314 has 4 divisors (see below), whose sum is σ = 32134995474. Its totient is φ = 10711665156.

The previous prime is 21423330293. The next prime is 21423330329. The reversal of 21423330314 is 41303332412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20159172289 + 1264158025 = 141983^2 + 35555^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5355832577 + ... + 5355832580.

Almost surely, 2^21423330314 is an apocalyptic number.

21423330314 is a deficient number, since it is larger than the sum of its proper divisors (10711665160).

21423330314 is a wasteful number, since it uses less digits than its factorization.

21423330314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711665159.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21423330314 its reverse (41303332412), we get a palindrome (62726662726).

The spelling of 21423330314 in words is "twenty-one billion, four hundred twenty-three million, three hundred thirty thousand, three hundred fourteen".