16577423 has 4 divisors (see below), whose sum is σ = 16594248. Its totient is φ = 16560600.

The previous prime is 16577399. The next prime is 16577447. The reversal of 16577423 is 32477561.

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

It is an interprime number because it is at equal distance from previous prime (16577399) and next prime (16577447).

It is a cyclic number.

It is not a de Polignac number, because 16577423 - 2⁸ = 16577167 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16577453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (4148562).

Almost surely, 2^16577423 is an apocalyptic number.

16577423 is a deficient number, since it is larger than the sum of its proper divisors (16825).

16577423 is a wasteful number, since it uses less digits than its factorization.

16577423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16824.

The product of its digits is 35280, while the sum is 35.

The square root of 16577423 is about 4071.5381614324. The cubic root of 16577423 is about 254.9797395155.

The spelling of 16577423 in words is "sixteen million, five hundred seventy-seven thousand, four hundred twenty-three".