16224644321323 has 2 divisors, whose sum is σ = 16224644321324. Its totient is φ = 16224644321322.

The previous prime is 16224644321297. The next prime is 16224644321371. The reversal of 16224644321323 is 32312344642261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16224644321323 - 2²¹ = 16224642224171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16224644321323.

It is not a weakly prime, because it can be changed into another prime (16224644321623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8112322160661 + 8112322160662.

It is an arithmetic number, because the mean of its divisors is an integer number (8112322160662).

Almost surely, 2^{16224644321323} is an apocalyptic number.

16224644321323 is a deficient number, since it is larger than the sum of its proper divisors (1).

16224644321323 is an equidigital number, since it uses as much as digits as its factorization.

16224644321323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 43.

Adding to 16224644321323 its reverse (32312344642261), we get a palindrome (48536988963584).

The spelling of 16224644321323 in words is "sixteen trillion, two hundred twenty-four billion, six hundred forty-four million, three hundred twenty-one thousand, three hundred twenty-three".