16847923 has 2 divisors, whose sum is σ = 16847924. Its totient is φ = 16847922.

The previous prime is 16847903. The next prime is 16847933. The reversal of 16847923 is 32974861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16847923 is a prime.

It is not a weakly prime, because it can be changed into another prime (16847903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8423961 + 8423962.

It is an arithmetic number, because the mean of its divisors is an integer number (8423962).

Almost surely, 2^16847923 is an apocalyptic number.

16847923 is a deficient number, since it is larger than the sum of its proper divisors (1).

16847923 is an equidigital number, since it uses as much as digits as its factorization.

16847923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 16847923 is about 4104.6221506979. The cubic root of 16847923 is about 256.3591303567.

The spelling of 16847923 in words is "sixteen million, eight hundred forty-seven thousand, nine hundred twenty-three".