5991723 has 6 divisors (see below), whose sum is σ = 8654724. Its totient is φ = 3994476.

The previous prime is 5991721. The next prime is 5991731. The reversal of 5991723 is 3271995.

It is not a de Polignac number, because 5991723 - 2¹ = 5991721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5991721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332865 + ... + 332882.

It is an arithmetic number, because the mean of its divisors is an integer number (1442454).

Almost surely, 2^5991723 is an apocalyptic number.

5991723 is a deficient number, since it is larger than the sum of its proper divisors (2663001).

5991723 is a wasteful number, since it uses less digits than its factorization.

5991723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665753 (or 665750 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 5991723 is about 2447.7996241523. The cubic root of 5991723 is about 181.6284635694.

The spelling of 5991723 in words is "five million, nine hundred ninety-one thousand, seven hundred twenty-three".