5123669 has 8 divisors (see below), whose sum is σ = 5254200. Its totient is φ = 4994496.

The previous prime is 5123639. The next prime is 5123683. The reversal of 5123669 is 9663215.

It is a happy number.

5123669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 970225 + 4153444 = 985^2 + 2038^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5123669 is a prime.

It is a super-2 number, since 2×5123669² = 52503968043122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14507 + ... + 14855.

It is an arithmetic number, because the mean of its divisors is an integer number (656775).

Almost surely, 2^5123669 is an apocalyptic number.

It is an amenable number.

5123669 is a deficient number, since it is larger than the sum of its proper divisors (130531).

5123669 is a wasteful number, since it uses less digits than its factorization.

5123669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its digits is 9720, while the sum is 32.

The square root of 5123669 is about 2263.5522967230. The cubic root of 5123669 is about 172.3959352727.

The spelling of 5123669 in words is "five million, one hundred twenty-three thousand, six hundred sixty-nine".