16974323 has 4 divisors (see below), whose sum is σ = 17010240. Its totient is φ = 16938408.

The previous prime is 16974311. The next prime is 16974341. The reversal of 16974323 is 32347961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32347961 = 131 ⋅246931.

It is a cyclic number.

It is not a de Polignac number, because 16974323 - 2²⁰ = 15925747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16974343) 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, 17240 + ... + 18197.

It is an arithmetic number, because the mean of its divisors is an integer number (4252560).

Almost surely, 2^16974323 is an apocalyptic number.

16974323 is a deficient number, since it is larger than the sum of its proper divisors (35917).

16974323 is an equidigital number, since it uses as much as digits as its factorization.

16974323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35916.

The product of its digits is 27216, while the sum is 35.

The square root of 16974323 is about 4119.9906553292. The cubic root of 16974323 is about 256.9986373681.

The spelling of 16974323 in words is "sixteen million, nine hundred seventy-four thousand, three hundred twenty-three".