12223220031323 has 96 divisors (see below), whose sum is σ = 15560019034560. Its totient is φ = 9535232286720.

The previous prime is 12223220031293. The next prime is 12223220031367. The reversal of 12223220031323 is 32313002232221.

It is not a de Polignac number, because 12223220031323 - 2²⁰ = 12223218982747 is a prime.

It is a super-2 number, since 2×12223220031323² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12223220031292 and 12223220031301.

It is not an unprimeable number, because it can be changed into a prime (12223220031383) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1484657615 + ... + 1484665847.

It is an arithmetic number, because the mean of its divisors is an integer number (162083531610).

Almost surely, 2^{12223220031323} is an apocalyptic number.

12223220031323 is a deficient number, since it is larger than the sum of its proper divisors (3336799003237).

12223220031323 is a wasteful number, since it uses less digits than its factorization.

12223220031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717 (or 8710 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 12223220031323 its reverse (32313002232221), we get a palindrome (44536222263544).

The spelling of 12223220031323 in words is "twelve trillion, two hundred twenty-three billion, two hundred twenty million, thirty-one thousand, three hundred twenty-three".