21441244214323 has 2 divisors, whose sum is σ = 21441244214324. Its totient is φ = 21441244214322.

The previous prime is 21441244214309. The next prime is 21441244214413. The reversal of 21441244214323 is 32341244214412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21441244214323 - 2²⁹ = 21440707343411 is a prime.

It is not a weakly prime, because it can be changed into another prime (21441244214023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10720622107161 + 10720622107162.

It is an arithmetic number, because the mean of its divisors is an integer number (10720622107162).

Almost surely, 2^{21441244214323} is an apocalyptic number.

21441244214323 is a deficient number, since it is larger than the sum of its proper divisors (1).

21441244214323 is an equidigital number, since it uses as much as digits as its factorization.

21441244214323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 37.

Adding to 21441244214323 its reverse (32341244214412), we get a palindrome (53782488428735).

The spelling of 21441244214323 in words is "twenty-one trillion, four hundred forty-one billion, two hundred forty-four million, two hundred fourteen thousand, three hundred twenty-three".