16783423 has 2 divisors, whose sum is σ = 16783424. Its totient is φ = 16783422.

The previous prime is 16783421. The next prime is 16783427. The reversal of 16783423 is 32438761.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32438761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16783423 - 2¹ = 16783421 is a prime.

Together with 16783421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16783421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8391711 + 8391712.

It is an arithmetic number, because the mean of its divisors is an integer number (8391712).

Almost surely, 2^16783423 is an apocalyptic number.

16783423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16783423 is an equidigital number, since it uses as much as digits as its factorization.

16783423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 16783423 is about 4096.7576203627. The cubic root of 16783423 is about 256.0315665420.

The spelling of 16783423 in words is "sixteen million, seven hundred eighty-three thousand, four hundred twenty-three".