5123718 has 12 divisors (see below), whose sum is σ = 11101428. Its totient is φ = 1707900.

The previous prime is 5123707. The next prime is 5123719. The reversal of 5123718 is 8173215.

It is a super-2 number, since 2×5123718² = 52504972287048, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5123691 and 5123700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142308 + ... + 142343.

It is an arithmetic number, because the mean of its divisors is an integer number (925119).

Almost surely, 2^5123718 is an apocalyptic number.

5123718 is an abundant number, since it is smaller than the sum of its proper divisors (5977710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5123718 is a wasteful number, since it uses less digits than its factorization.

5123718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284659 (or 284656 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5123718 is about 2263.5631203923. The cubic root of 5123718 is about 172.3964848381.

The spelling of 5123718 in words is "five million, one hundred twenty-three thousand, seven hundred eighteen".