16396423 has 2 divisors, whose sum is σ = 16396424. Its totient is φ = 16396422.

The previous prime is 16396363. The next prime is 16396453. The reversal of 16396423 is 32469361.

It is a happy number.

16396423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32469361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16396423 - 2¹⁷ = 16265351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16396453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198211 + 8198212.

It is an arithmetic number, because the mean of its divisors is an integer number (8198212).

Almost surely, 2^16396423 is an apocalyptic number.

16396423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16396423 is an equidigital number, since it uses as much as digits as its factorization.

16396423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 16396423 is about 4049.2496835834. The cubic root of 16396423 is about 254.0483457275.

The spelling of 16396423 in words is "sixteen million, three hundred ninety-six thousand, four hundred twenty-three".