21423322300 has 18 divisors (see below), whose sum is σ = 46488609608. Its totient is φ = 8569328880.

The previous prime is 21423322253. The next prime is 21423322369. The reversal of 21423322300 is 322332412.

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 5 ways as a sum of consecutive naturals, for example, 107116512 + ... + 107116711.

Almost surely, 2^21423322300 is an apocalyptic number.

21423322300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21423322300 is an abundant number, since it is smaller than the sum of its proper divisors (25065287308).

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

21423322300 is a wasteful number, since it uses less digits than its factorization.

21423322300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214233237 (or 214233230 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21423322300 its reverse (322332412), we get a palindrome (21745654712).

The spelling of 21423322300 in words is "twenty-one billion, four hundred twenty-three million, three hundred twenty-two thousand, three hundred".