16670123 has 2 divisors, whose sum is σ = 16670124. Its totient is φ = 16670122.

The previous prime is 16670119. The next prime is 16670177. The reversal of 16670123 is 32107661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16670123 - 2² = 16670119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16670092 and 16670101.

It is not a weakly prime, because it can be changed into another prime (16670623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335061 + 8335062.

It is an arithmetic number, because the mean of its divisors is an integer number (8335062).

Almost surely, 2^16670123 is an apocalyptic number.

16670123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16670123 is an equidigital number, since it uses as much as digits as its factorization.

16670123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 16670123 is about 4082.9061953466. The cubic root of 16670123 is about 255.4541337163.

Adding to 16670123 its reverse (32107661), we get a palindrome (48777784).

The spelling of 16670123 in words is "sixteen million, six hundred seventy thousand, one hundred twenty-three".