12423167 has 2 divisors, whose sum is σ = 12423168. Its totient is φ = 12423166.

The previous prime is 12423161. The next prime is 12423211. The reversal of 12423167 is 76132421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12423167 - 2²² = 8228863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12423161) 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 as a sum of consecutive naturals, namely, 6211583 + 6211584.

It is an arithmetic number, because the mean of its divisors is an integer number (6211584).

Almost surely, 2^12423167 is an apocalyptic number.

12423167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423167 is an equidigital number, since it uses as much as digits as its factorization.

12423167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 12423167 is about 3524.6513302737. The cubic root of 12423167 is about 231.6029611652.

Adding to 12423167 its reverse (76132421), we get a palindrome (88555588).

The spelling of 12423167 in words is "twelve million, four hundred twenty-three thousand, one hundred sixty-seven".