16923479 has 2 divisors, whose sum is σ = 16923480. Its totient is φ = 16923478.

The previous prime is 16923461. The next prime is 16923481. The reversal of 16923479 is 97432961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16923479 - 2⁸ = 16923223 is a prime.

It is a Sophie Germain prime.

Together with 16923481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16923979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8461739 + 8461740.

It is an arithmetic number, because the mean of its divisors is an integer number (8461740).

Almost surely, 2^16923479 is an apocalyptic number.

16923479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16923479 is an equidigital number, since it uses as much as digits as its factorization.

16923479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 16923479 is about 4113.8156254261. The cubic root of 16923479 is about 256.7417806430.

The spelling of 16923479 in words is "sixteen million, nine hundred twenty-three thousand, four hundred seventy-nine".