221103123323 has 2 divisors, whose sum is σ = 221103123324. Its totient is φ = 221103123322.

The previous prime is 221103123317. The next prime is 221103123337. The reversal of 221103123323 is 323321301122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221103123323 - 2⁶ = 221103123259 is a prime.

It is a super-2 number, since 2×221103123323² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221103123623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551561661 + 110551561662.

It is an arithmetic number, because the mean of its divisors is an integer number (110551561662).

Almost surely, 2^221103123323 is an apocalyptic number.

221103123323 is a deficient number, since it is larger than the sum of its proper divisors (1).

221103123323 is an equidigital number, since it uses as much as digits as its factorization.

221103123323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221103123323 its reverse (323321301122), we get a palindrome (544424424445).

The spelling of 221103123323 in words is "two hundred twenty-one billion, one hundred three million, one hundred twenty-three thousand, three hundred twenty-three".