21230323302 has 8 divisors (see below), whose sum is σ = 42460646616. Its totient is φ = 7076774432.

The previous prime is 21230323253. The next prime is 21230323319. The reversal of 21230323302 is 20332303212.

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

21230323302 is an admirable number.

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 1769193603 + ... + 1769193614.

It is an arithmetic number, because the mean of its divisors is an integer number (5307580827).

Almost surely, 2^21230323302 is an apocalyptic number.

21230323302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21230323302 is a wasteful number, since it uses less digits than its factorization.

21230323302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538387222.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21230323302 its reverse (20332303212), we get a palindrome (41562626514).

The spelling of 21230323302 in words is "twenty-one billion, two hundred thirty million, three hundred twenty-three thousand, three hundred two".