12016423 has 2 divisors, whose sum is σ = 12016424. Its totient is φ = 12016422.

The previous prime is 12016397. The next prime is 12016427. The reversal of 12016423 is 32461021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12016423 - 2⁵ = 12016391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12016423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12016427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008211 + 6008212.

It is an arithmetic number, because the mean of its divisors is an integer number (6008212).

Almost surely, 2^12016423 is an apocalyptic number.

12016423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12016423 is an equidigital number, since it uses as much as digits as its factorization.

12016423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12016423 is about 3466.4712605184. The cubic root of 12016423 is about 229.0472433564.

Adding to 12016423 its reverse (32461021), we get a palindrome (44477444).

The spelling of 12016423 in words is "twelve million, sixteen thousand, four hundred twenty-three".