16943423 has 8 divisors (see below), whose sum is σ = 19394592. Its totient is φ = 14499936.

The previous prime is 16943417. The next prime is 16943431. The reversal of 16943423 is 32434961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16943423 - 2⁸ = 16943167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16943423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16943473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4061 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (2424324).

Almost surely, 2^16943423 is an apocalyptic number.

16943423 is a deficient number, since it is larger than the sum of its proper divisors (2451169).

16943423 is an equidigital number, since it uses as much as digits as its factorization.

16943423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its digits is 15552, while the sum is 32.

The square root of 16943423 is about 4116.2389386429. The cubic root of 16943423 is about 256.8425961616.

The spelling of 16943423 in words is "sixteen million, nine hundred forty-three thousand, four hundred twenty-three".