1323221020223 has 8 divisors (see below), whose sum is σ = 1325175355392. Its totient is φ = 1321267778136.

The previous prime is 1323221020213. The next prime is 1323221020279. The reversal of 1323221020223 is 3220201223231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323221020223 - 2⁴ = 1323221020207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323221020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165636 + ... + 2708582.

It is an arithmetic number, because the mean of its divisors is an integer number (165646919424).

Almost surely, 2^{1323221020223} is an apocalyptic number.

1323221020223 is a deficient number, since it is larger than the sum of its proper divisors (1954335169).

1323221020223 is an equidigital number, since it uses as much as digits as its factorization.

1323221020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546541.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1323221020223 its reverse (3220201223231), we get a palindrome (4543422243454).

The spelling of 1323221020223 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-one million, twenty thousand, two hundred twenty-three".