12324344231 has 4 divisors (see below), whose sum is σ = 12386904552. Its totient is φ = 12261783912.

The previous prime is 12324344189. The next prime is 12324344237. The reversal of 12324344231 is 13244342321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13244342321 = 7 ⋅1892048903.

It is a cyclic number.

It is not a de Polignac number, because 12324344231 - 2¹⁸ = 12324082087 is a prime.

It is a super-2 number, since 2×12324344231² (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 = 12324344194 and 12324344203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324344237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31279865 + ... + 31280258.

It is an arithmetic number, because the mean of its divisors is an integer number (3096726138).

Almost surely, 2^12324344231 is an apocalyptic number.

12324344231 is a deficient number, since it is larger than the sum of its proper divisors (62560321).

12324344231 is an equidigital number, since it uses as much as digits as its factorization.

12324344231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62560320.

The product of its digits is 13824, while the sum is 29.

Adding to 12324344231 its reverse (13244342321), we get a palindrome (25568686552).

The spelling of 12324344231 in words is "twelve billion, three hundred twenty-four million, three hundred forty-four thousand, two hundred thirty-one".