16423679 has 4 divisors (see below), whose sum is σ = 17137776. Its totient is φ = 15709584.

The previous prime is 16423663. The next prime is 16423681. The reversal of 16423679 is 97632461.

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 16423679 - 2⁴ = 16423663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357014 + ... + 357059.

It is an arithmetic number, because the mean of its divisors is an integer number (4284444).

Almost surely, 2^16423679 is an apocalyptic number.

16423679 is a deficient number, since it is larger than the sum of its proper divisors (714097).

16423679 is an equidigital number, since it uses as much as digits as its factorization.

16423679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714096.

The product of its digits is 54432, while the sum is 38.

The square root of 16423679 is about 4052.6138478765. The cubic root of 16423679 is about 254.1890371543.

The spelling of 16423679 in words is "sixteen million, four hundred twenty-three thousand, six hundred seventy-nine".