5623318 has 4 divisors (see below), whose sum is σ = 8434980. Its totient is φ = 2811658.

The previous prime is 5623309. The next prime is 5623327. The reversal of 5623318 is 8133265.

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

It is an interprime number because it is at equal distance from previous prime (5623309) and next prime (5623327).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405828 + ... + 1405831.

It is an arithmetic number, because the mean of its divisors is an integer number (2108745).

Almost surely, 2^5623318 is an apocalyptic number.

5623318 is a deficient number, since it is larger than the sum of its proper divisors (2811662).

5623318 is a wasteful number, since it uses less digits than its factorization.

5623318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811661.

The product of its digits is 4320, while the sum is 28.

The square root of 5623318 is about 2371.3536218793. The cubic root of 5623318 is about 177.8269369550.

The spelling of 5623318 in words is "five million, six hundred twenty-three thousand, three hundred eighteen".