12213123312323 has 4 divisors (see below), whose sum is σ = 12331697325168. Its totient is φ = 12094549299480.

The previous prime is 12213123312253. The next prime is 12213123312427. The reversal of 12213123312323 is 32321332131221.

12213123312323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12213123312323 - 2¹⁰ = 12213123311299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213123312023) 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, 59287006268 + ... + 59287006473.

It is an arithmetic number, because the mean of its divisors is an integer number (3082924331292).

Almost surely, 2^{12213123312323} is an apocalyptic number.

12213123312323 is a deficient number, since it is larger than the sum of its proper divisors (118574012845).

12213123312323 is a wasteful number, since it uses less digits than its factorization.

12213123312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118574012844.

The product of its digits is 7776, while the sum is 29.

Adding to 12213123312323 its reverse (32321332131221), we get a palindrome (44534455443544).

The spelling of 12213123312323 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred twelve thousand, three hundred twenty-three".