12312432043 has 2 divisors, whose sum is σ = 12312432044. Its totient is φ = 12312432042.

The previous prime is 12312432007. The next prime is 12312432049. The reversal of 12312432043 is 34023421321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312432043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12312431999 and 12312432017.

It is not a weakly prime, because it can be changed into another prime (12312432049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156216021 + 6156216022.

It is an arithmetic number, because the mean of its divisors is an integer number (6156216022).

Almost surely, 2^12312432043 is an apocalyptic number.

12312432043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312432043 is an equidigital number, since it uses as much as digits as its factorization.

12312432043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12312432043 its reverse (34023421321), we get a palindrome (46335853364).

The spelling of 12312432043 in words is "twelve billion, three hundred twelve million, four hundred thirty-two thousand, forty-three".