16494323 has 4 divisors (see below), whose sum is σ = 16507008. Its totient is φ = 16481640.

The previous prime is 16494319. The next prime is 16494329. The reversal of 16494323 is 32349461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32349461 = 31 ⋅1043531.

It is a cyclic number.

It is not a de Polignac number, because 16494323 - 2² = 16494319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16494323.

It is not an unprimeable number, because it can be changed into a prime (16494329) 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, 4136 + ... + 7077.

It is an arithmetic number, because the mean of its divisors is an integer number (4126752).

Almost surely, 2^16494323 is an apocalyptic number.

16494323 is a deficient number, since it is larger than the sum of its proper divisors (12685).

16494323 is a wasteful number, since it uses less digits than its factorization.

16494323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684.

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

The square root of 16494323 is about 4061.3203518068. The cubic root of 16494323 is about 254.5529679021.

The spelling of 16494323 in words is "sixteen million, four hundred ninety-four thousand, three hundred twenty-three".