21244300300323 has 8 divisors (see below), whose sum is σ = 31473037482000. Its totient is φ = 14162866866864.

The previous prime is 21244300300283. The next prime is 21244300300337. The reversal of 21244300300323 is 32300300344212.

21244300300323 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 4 + 30 + 0 + 300 + 323 = 666.

It is not a de Polignac number, because 21244300300323 - 2⁹ = 21244300299811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 786825937049 = 21244300300323 / (2 + 1 + 2 + 4 + 4 + 3 + 0 + 0 + 3 + 0 + 0 + 3 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (21244300300723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393412968498 + ... + 393412968551.

It is an arithmetic number, because the mean of its divisors is an integer number (3934129685250).

Almost surely, 2^{21244300300323} is an apocalyptic number.

21244300300323 is a deficient number, since it is larger than the sum of its proper divisors (10228737181677).

21244300300323 is an equidigital number, since it uses as much as digits as its factorization.

21244300300323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786825937058 (or 786825937052 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 21244300300323 its reverse (32300300344212), we get a palindrome (53544600644535).

The spelling of 21244300300323 in words is "twenty-one trillion, two hundred forty-four billion, three hundred million, three hundred thousand, three hundred twenty-three".