5217723 has 32 divisors (see below), whose sum is σ = 9305600. Its totient is φ = 2822688.

The previous prime is 5217697. The next prime is 5217731. The reversal of 5217723 is 3277125.

It is not a de Polignac number, because 5217723 - 2¹² = 5213627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

5217723 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2865 + ... + 4317.

It is an arithmetic number, because the mean of its divisors is an integer number (290800).

Almost surely, 2^5217723 is an apocalyptic number.

5217723 is a deficient number, since it is larger than the sum of its proper divisors (4087877).

5217723 is a wasteful number, since it uses less digits than its factorization.

5217723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1482 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 5217723 is about 2284.2335694933. The cubic root of 5217723 is about 173.4444229523. Note that the first 4 decimals are identical.

The spelling of 5217723 in words is "five million, two hundred seventeen thousand, seven hundred twenty-three".