12212023323 has 4 divisors (see below), whose sum is σ = 16282697768. Its totient is φ = 8141348880.

The previous prime is 12212023309. The next prime is 12212023331. The reversal of 12212023323 is 32332021221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32332021221 = 3 ⋅10777340407.

It is not a de Polignac number, because 12212023323 - 2¹⁰ = 12212022299 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 12212023323.

It is not an unprimeable number, because it can be changed into a prime (12212023363) 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, 2035337218 + ... + 2035337223.

It is an arithmetic number, because the mean of its divisors is an integer number (4070674442).

Almost surely, 2^12212023323 is an apocalyptic number.

12212023323 is a deficient number, since it is larger than the sum of its proper divisors (4070674445).

12212023323 is an equidigital number, since it uses as much as digits as its factorization.

12212023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070674444.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12212023323 its reverse (32332021221), we get a palindrome (44544044544).

The spelling of 12212023323 in words is "twelve billion, two hundred twelve million, twenty-three thousand, three hundred twenty-three".