16838723 has 12 divisors (see below), whose sum is σ = 18609360. Its totient is φ = 15224880.

The previous prime is 16838719. The next prime is 16838747. The reversal of 16838723 is 32783861.

It is a happy number.

It is not a de Polignac number, because 16838723 - 2² = 16838719 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16838713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38138 + ... + 38576.

It is an arithmetic number, because the mean of its divisors is an integer number (1550780).

Almost surely, 2^16838723 is an apocalyptic number.

16838723 is a deficient number, since it is larger than the sum of its proper divisors (1770637).

16838723 is a wasteful number, since it uses less digits than its factorization.

16838723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 767 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 16838723 is about 4103.5013098572. The cubic root of 16838723 is about 256.3124592542.

The spelling of 16838723 in words is "sixteen million, eight hundred thirty-eight thousand, seven hundred twenty-three".