16343423 has 4 divisors (see below), whose sum is σ = 16353168. Its totient is φ = 16333680.

The previous prime is 16343407. The next prime is 16343449. The reversal of 16343423 is 32434361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16343423 - 2⁴ = 16343407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16343392 and 16343401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 5948.

It is an arithmetic number, because the mean of its divisors is an integer number (4088292).

Almost surely, 2^16343423 is an apocalyptic number.

16343423 is a deficient number, since it is larger than the sum of its proper divisors (9745).

16343423 is an equidigital number, since it uses as much as digits as its factorization.

16343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9744.

The product of its digits is 5184, while the sum is 26.

The square root of 16343423 is about 4042.6999641329. The cubic root of 16343423 is about 253.7743205919.

Adding to 16343423 its reverse (32434361), we get a palindrome (48777784).

The spelling of 16343423 in words is "sixteen million, three hundred forty-three thousand, four hundred twenty-three".