5239723 has 4 divisors (see below), whose sum is σ = 5547960. Its totient is φ = 4931488.

The previous prime is 5239673. The next prime is 5239753. The reversal of 5239723 is 3279325.

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 5239723 - 2⁹ = 5239211 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁸ + 2⁸ + 3¹⁰ + 9⁴ + 7 + 2⁸ + 3¹⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5239753) 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, 154093 + ... + 154126.

It is an arithmetic number, because the mean of its divisors is an integer number (1386990).

Almost surely, 2^5239723 is an apocalyptic number.

5239723 is a deficient number, since it is larger than the sum of its proper divisors (308237).

5239723 is a wasteful number, since it uses less digits than its factorization.

5239723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308236.

The product of its digits is 11340, while the sum is 31.

The square root of 5239723 is about 2289.0441236464. The cubic root of 5239723 is about 173.6878514163.

The spelling of 5239723 in words is "five million, two hundred thirty-nine thousand, seven hundred twenty-three".