12223202021323 has 4 divisors (see below), whose sum is σ = 12243141992608. Its totient is φ = 12203262050040.

The previous prime is 12223202021321. The next prime is 12223202021333. The reversal of 12223202021323 is 32312020232221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12223202021323 - 2¹ = 12223202021321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223202021321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9969984723 + ... + 9969985948.

It is an arithmetic number, because the mean of its divisors is an integer number (3060785498152).

Almost surely, 2^{12223202021323} is an apocalyptic number.

12223202021323 is a deficient number, since it is larger than the sum of its proper divisors (19939971285).

12223202021323 is an equidigital number, since it uses as much as digits as its factorization.

12223202021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19939971284.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12223202021323 its reverse (32312020232221), we get a palindrome (44535222253544).

The spelling of 12223202021323 in words is "twelve trillion, two hundred twenty-three billion, two hundred two million, twenty-one thousand, three hundred twenty-three".