221322313402323 has 16 divisors (see below), whose sum is σ = 337253339804160. Its totient is φ = 126469784318976.

The previous prime is 221322313402301. The next prime is 221322313402357. The reversal of 221322313402323 is 323204313223122.

It is not a de Polignac number, because 221322313402323 - 2¹³ = 221322313394131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221322313406323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24795186 + ... + 32518392.

It is an arithmetic number, because the mean of its divisors is an integer number (21078333737760).

Almost surely, 2^{221322313402323} is an apocalyptic number.

221322313402323 is a deficient number, since it is larger than the sum of its proper divisors (115931026401837).

221322313402323 is a wasteful number, since it uses less digits than its factorization.

221322313402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9087826.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 221322313402323 its reverse (323204313223122), we get a palindrome (544526626625445).

The spelling of 221322313402323 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, three hundred thirteen million, four hundred two thousand, three hundred twenty-three".