1323221453223 has 64 divisors (see below), whose sum is σ = 1834963932672. Its totient is φ = 847518197760.

The previous prime is 1323221453219. The next prime is 1323221453263. The reversal of 1323221453223 is 3223541223231.

It is not a de Polignac number, because 1323221453223 - 2² = 1323221453219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323221453263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2539772203 + ... + 2539772723.

It is an arithmetic number, because the mean of its divisors is an integer number (28671311448).

Almost surely, 2^{1323221453223} is an apocalyptic number.

1323221453223 is a deficient number, since it is larger than the sum of its proper divisors (511742479449).

1323221453223 is a wasteful number, since it uses less digits than its factorization.

1323221453223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its digits is 51840, while the sum is 33.

Adding to 1323221453223 its reverse (3223541223231), we get a palindrome (4546762676454).

The spelling of 1323221453223 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-one million, four hundred fifty-three thousand, two hundred twenty-three".