12312301223 has 4 divisors (see below), whose sum is σ = 12351890928. Its totient is φ = 12272711520.

The previous prime is 12312301213. The next prime is 12312301301. The reversal of 12312301223 is 32210321321.

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 12312301223 - 2⁶ = 12312301159 is a prime.

It is a super-2 number, since 2×12312301223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312301195 and 12312301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312301213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19794386 + ... + 19795007.

It is an arithmetic number, because the mean of its divisors is an integer number (3087972732).

Almost surely, 2^12312301223 is an apocalyptic number.

12312301223 is a deficient number, since it is larger than the sum of its proper divisors (39589705).

12312301223 is an equidigital number, since it uses as much as digits as its factorization.

12312301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39589704.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12312301223 its reverse (32210321321), we get a palindrome (44522622544).

The spelling of 12312301223 in words is "twelve billion, three hundred twelve million, three hundred one thousand, two hundred twenty-three".