12223023013 has 4 divisors (see below), whose sum is σ = 12223266880. Its totient is φ = 12222779148.

The previous prime is 12223022957. The next prime is 12223023041. The reversal of 12223023013 is 31032032221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31032032221 = 239 ⋅129841139.

It is a cyclic number.

It is not a de Polignac number, because 12223023013 - 2²¹ = 12220925861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223023083) 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, 16173 + ... + 157186.

It is an arithmetic number, because the mean of its divisors is an integer number (3055816720).

Almost surely, 2^12223023013 is an apocalyptic number.

It is an amenable number.

12223023013 is a deficient number, since it is larger than the sum of its proper divisors (243867).

12223023013 is an equidigital number, since it uses as much as digits as its factorization.

12223023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243866.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12223023013 its reverse (31032032221), we get a palindrome (43255055234).

The spelling of 12223023013 in words is "twelve billion, two hundred twenty-three million, twenty-three thousand, thirteen".