12204323223223 has 4 divisors (see below), whose sum is σ = 12212294696488. Its totient is φ = 12196351749960.

The previous prime is 12204323223217. The next prime is 12204323223259. The reversal of 12204323223223 is 32232232340221.

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 12204323223223 - 2⁹ = 12204323222711 is a prime.

It is a super-3 number, since 3×12204323223223³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204323220223) 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, 3985734336 + ... + 3985737397.

It is an arithmetic number, because the mean of its divisors is an integer number (3053073674122).

Almost surely, 2^{12204323223223} is an apocalyptic number.

12204323223223 is a deficient number, since it is larger than the sum of its proper divisors (7971473265).

12204323223223 is an equidigital number, since it uses as much as digits as its factorization.

12204323223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7971473264.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 12204323223223 its reverse (32232232340221), we get a palindrome (44436555563444).

The spelling of 12204323223223 in words is "twelve trillion, two hundred four billion, three hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".