16949323 has 4 divisors (see below), whose sum is σ = 17946360. Its totient is φ = 15952288.

The previous prime is 16949299. The next prime is 16949327. The reversal of 16949323 is 32394961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32394961 = 41 ⋅790121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16949323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16949327) 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, 498493 + ... + 498526.

It is an arithmetic number, because the mean of its divisors is an integer number (4486590).

Almost surely, 2^16949323 is an apocalyptic number.

16949323 is a deficient number, since it is larger than the sum of its proper divisors (997037).

16949323 is an equidigital number, since it uses as much as digits as its factorization.

16949323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997036.

The product of its digits is 34992, while the sum is 37.

The square root of 16949323 is about 4116.9555499179. The cubic root of 16949323 is about 256.8724050823.

The spelling of 16949323 in words is "sixteen million, nine hundred forty-nine thousand, three hundred twenty-three".