16979323 has 2 divisors, whose sum is σ = 16979324. Its totient is φ = 16979322.

The previous prime is 16979321. The next prime is 16979329. The reversal of 16979323 is 32397961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16979323 - 2¹ = 16979321 is a prime.

Together with 16979321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16979321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8489661 + 8489662.

It is an arithmetic number, because the mean of its divisors is an integer number (8489662).

Almost surely, 2^16979323 is an apocalyptic number.

16979323 is a deficient number, since it is larger than the sum of its proper divisors (1).

16979323 is an equidigital number, since it uses as much as digits as its factorization.

16979323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 40.

The square root of 16979323 is about 4120.5974081436. The cubic root of 16979323 is about 257.0238689495.

The spelling of 16979323 in words is "sixteen million, nine hundred seventy-nine thousand, three hundred twenty-three".