6385723 has 4 divisors (see below), whose sum is σ = 6391008. Its totient is φ = 6380440.

The previous prime is 6385619. The next prime is 6385733. The reversal of 6385723 is 3275836.

6385723 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6385723 is a prime.

It is a Duffinian number.

6385723 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6385733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165 + ... + 3577.

It is an arithmetic number, because the mean of its divisors is an integer number (1597752).

Almost surely, 2^6385723 is an apocalyptic number.

6385723 is a deficient number, since it is larger than the sum of its proper divisors (5285).

6385723 is a wasteful number, since it uses less digits than its factorization.

6385723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284.

The product of its digits is 30240, while the sum is 34.

The square root of 6385723 is about 2526.9988128212. The cubic root of 6385723 is about 185.5253923000.

The spelling of 6385723 in words is "six million, three hundred eighty-five thousand, seven hundred twenty-three".