12163423 has 2 divisors, whose sum is σ = 12163424. Its totient is φ = 12163422.

The previous prime is 12163409. The next prime is 12163519. The reversal of 12163423 is 32436121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12163423 - 2⁹ = 12162911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12163394 and 12163403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12163523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081711 + 6081712.

It is an arithmetic number, because the mean of its divisors is an integer number (6081712).

Almost surely, 2^12163423 is an apocalyptic number.

12163423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12163423 is an equidigital number, since it uses as much as digits as its factorization.

12163423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 12163423 is about 3487.6099265830. The cubic root of 12163423 is about 229.9774584084.

Adding to 12163423 its reverse (32436121), we get a palindrome (44599544).

The spelling of 12163423 in words is "twelve million, one hundred sixty-three thousand, four hundred twenty-three".