5220723 has 4 divisors (see below), whose sum is σ = 6960968. Its totient is φ = 3480480.

The previous prime is 5220689. The next prime is 5220731. The reversal of 5220723 is 3270225.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5220723 - 2⁹ = 5220211 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5220723.

It is not an unprimeable number, because it can be changed into a prime (5220223) 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, 870118 + ... + 870123.

It is an arithmetic number, because the mean of its divisors is an integer number (1740242).

Almost surely, 2^5220723 is an apocalyptic number.

5220723 is a deficient number, since it is larger than the sum of its proper divisors (1740245).

5220723 is a wasteful number, since it uses less digits than its factorization.

5220723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740244.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 5220723 is about 2284.8901505324. The cubic root of 5220723 is about 173.4776579845.

Adding to 5220723 its reverse (3270225), we get a palindrome (8490948).

The spelling of 5220723 in words is "five million, two hundred twenty thousand, seven hundred twenty-three".