12023121223 has 8 divisors (see below), whose sum is σ = 12978482400. Its totient is φ = 11103811488.

The previous prime is 12023121221. The next prime is 12023121317. The reversal of 12023121223 is 32212132021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12023121223 - 2¹ = 12023121221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12023121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023121221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9012168 + ... + 9013501.

It is an arithmetic number, because the mean of its divisors is an integer number (1622310300).

Almost surely, 2^12023121223 is an apocalyptic number.

12023121223 is a deficient number, since it is larger than the sum of its proper divisors (955361177).

12023121223 is a wasteful number, since it uses less digits than its factorization.

12023121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025721.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12023121223 its reverse (32212132021), we get a palindrome (44235253244).

The spelling of 12023121223 in words is "twelve billion, twenty-three million, one hundred twenty-one thousand, two hundred twenty-three".