1323300223221 has 4 divisors (see below), whose sum is σ = 1764400297632. Its totient is φ = 882200148812.

The previous prime is 1323300223207. The next prime is 1323300223243. The reversal of 1323300223221 is 1223220033231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323300223221 - 2⁷ = 1323300223093 is a prime.

It is a super-2 number, since 2×1323300223221² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1323300223191 and 1323300223200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323300223321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220550037201 + ... + 220550037206.

It is an arithmetic number, because the mean of its divisors is an integer number (441100074408).

Almost surely, 2^{1323300223221} is an apocalyptic number.

It is an amenable number.

1323300223221 is a deficient number, since it is larger than the sum of its proper divisors (441100074411).

1323300223221 is an equidigital number, since it uses as much as digits as its factorization.

1323300223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441100074410.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1323300223221 its reverse (1223220033231), we get a palindrome (2546520256452).

The spelling of 1323300223221 in words is "one trillion, three hundred twenty-three billion, three hundred million, two hundred twenty-three thousand, two hundred twenty-one".