12868423 has 2 divisors, whose sum is σ = 12868424. Its totient is φ = 12868422.

The previous prime is 12868411. The next prime is 12868451. The reversal of 12868423 is 32486821.

12868423 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12868423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12868463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434211 + 6434212.

It is an arithmetic number, because the mean of its divisors is an integer number (6434212).

Almost surely, 2^12868423 is an apocalyptic number.

12868423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12868423 is an equidigital number, since it uses as much as digits as its factorization.

12868423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 34.

The square root of 12868423 is about 3587.2584239221. The cubic root of 12868423 is about 234.3374911945.

The spelling of 12868423 in words is "twelve million, eight hundred sixty-eight thousand, four hundred twenty-three".