5439723 has 8 divisors (see below), whose sum is σ = 7268928. Its totient is φ = 3618504.

The previous prime is 5439697. The next prime is 5439727. The reversal of 5439723 is 3279345.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5439723 - 2²¹ = 3342571 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5439727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 3302.

It is an arithmetic number, because the mean of its divisors is an integer number (908616).

Almost surely, 2^5439723 is an apocalyptic number.

5439723 is a deficient number, since it is larger than the sum of its proper divisors (1829205).

5439723 is a wasteful number, since it uses less digits than its factorization.

5439723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993.

The product of its digits is 22680, while the sum is 33.

The square root of 5439723 is about 2332.3213757971. The cubic root of 5439723 is about 175.8702017332.

The spelling of 5439723 in words is "five million, four hundred thirty-nine thousand, seven hundred twenty-three".