16000823 has 4 divisors (see below), whose sum is σ = 16193688. Its totient is φ = 15807960.

The previous prime is 16000819. The next prime is 16000841. The reversal of 16000823 is 32800061.

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 16000823 - 2² = 16000819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16000795 and 16000804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000813) 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, 96308 + ... + 96473.

It is an arithmetic number, because the mean of its divisors is an integer number (4048422).

Almost surely, 2^16000823 is an apocalyptic number.

16000823 is a deficient number, since it is larger than the sum of its proper divisors (192865).

16000823 is an equidigital number, since it uses as much as digits as its factorization.

16000823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192864.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16000823 is about 4000.1028736771. The cubic root of 16000823 is about 251.9885303842.

Adding to 16000823 its reverse (32800061), we get a palindrome (48800884).

The spelling of 16000823 in words is "sixteen million, eight hundred twenty-three", and thus it is an aban number.