16673123 has 4 divisors (see below), whose sum is σ = 16874088. Its totient is φ = 16472160.

The previous prime is 16673119. The next prime is 16673131. The reversal of 16673123 is 32137661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32137661 = 149 ⋅215689.

It is a cyclic number.

It is not a de Polignac number, because 16673123 - 2² = 16673119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16673623) 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, 100358 + ... + 100523.

It is an arithmetic number, because the mean of its divisors is an integer number (4218522).

Almost surely, 2^16673123 is an apocalyptic number.

16673123 is a deficient number, since it is larger than the sum of its proper divisors (200965).

16673123 is an equidigital number, since it uses as much as digits as its factorization.

16673123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200964.

The product of its digits is 4536, while the sum is 29.

The square root of 16673123 is about 4083.2735641884. The cubic root of 16673123 is about 255.4694568672.

The spelling of 16673123 in words is "sixteen million, six hundred seventy-three thousand, one hundred twenty-three".