12117323 has 2 divisors, whose sum is σ = 12117324. Its totient is φ = 12117322.

The previous prime is 12117319. The next prime is 12117341. The reversal of 12117323 is 32371121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12117323 - 2² = 12117319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12117295 and 12117304.

It is not a weakly prime, because it can be changed into another prime (12117823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058661 + 6058662.

It is an arithmetic number, because the mean of its divisors is an integer number (6058662).

Almost surely, 2^12117323 is an apocalyptic number.

12117323 is a deficient number, since it is larger than the sum of its proper divisors (1).

12117323 is an equidigital number, since it uses as much as digits as its factorization.

12117323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 20.

The square root of 12117323 is about 3480.9945417941. The cubic root of 12117323 is about 229.6865484373.

Adding to 12117323 its reverse (32371121), we get a palindrome (44488444).

The spelling of 12117323 in words is "twelve million, one hundred seventeen thousand, three hundred twenty-three".