12223212323 has 4 divisors (see below), whose sum is σ = 13969385520. Its totient is φ = 10477039128.

The previous prime is 12223212257. The next prime is 12223212341. The reversal of 12223212323 is 32321232221.

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 12223212323 - 2³⁰ = 11149470499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223212383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873086588 + ... + 873086601.

It is an arithmetic number, because the mean of its divisors is an integer number (3492346380).

Almost surely, 2^12223212323 is an apocalyptic number.

12223212323 is a deficient number, since it is larger than the sum of its proper divisors (1746173197).

12223212323 is an equidigital number, since it uses as much as digits as its factorization.

12223212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746173196.

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

Adding to 12223212323 its reverse (32321232221), we get a palindrome (44544444544).

The spelling of 12223212323 in words is "twelve billion, two hundred twenty-three million, two hundred twelve thousand, three hundred twenty-three".