16968923 has 4 divisors (see below), whose sum is σ = 17201448. Its totient is φ = 16736400.

The previous prime is 16968911. The next prime is 16968937. The reversal of 16968923 is 32986961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16968923 - 2⁶ = 16968859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16968953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116153 + ... + 116298.

It is an arithmetic number, because the mean of its divisors is an integer number (4300362).

Almost surely, 2^16968923 is an apocalyptic number.

16968923 is a deficient number, since it is larger than the sum of its proper divisors (232525).

16968923 is an equidigital number, since it uses as much as digits as its factorization.

16968923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232524.

The product of its digits is 139968, while the sum is 44.

The square root of 16968923 is about 4119.3352619082. The cubic root of 16968923 is about 256.9713816942.

The spelling of 16968923 in words is "sixteen million, nine hundred sixty-eight thousand, nine hundred twenty-three".