12323161 has 2 divisors, whose sum is σ = 12323162. Its totient is φ = 12323160.

The previous prime is 12323141. The next prime is 12323167. The reversal of 12323161 is 16132321.

12323161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 3825936 = 2915^2 + 1956^2 .

It is a cyclic number.

It is not a de Polignac number, because 12323161 - 2⁹ = 12322649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12323167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161580 + 6161581.

It is an arithmetic number, because the mean of its divisors is an integer number (6161581).

Almost surely, 2^12323161 is an apocalyptic number.

It is an amenable number.

12323161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323161 is an equidigital number, since it uses as much as digits as its factorization.

12323161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 12323161 is about 3510.4360128052. The cubic root of 12323161 is about 230.9798212042.

Adding to 12323161 its reverse (16132321), we get a palindrome (28455482).

The spelling of 12323161 in words is "twelve million, three hundred twenty-three thousand, one hundred sixty-one".