5605123 has 4 divisors (see below), whose sum is σ = 5848848. Its totient is φ = 5361400.

The previous prime is 5605111. The next prime is 5605147. The reversal of 5605123 is 3215065.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5605123 - 2²¹ = 3507971 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5605094 and 5605103.

It is not an unprimeable number, because it can be changed into a prime (5605163) 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, 121828 + ... + 121873.

It is an arithmetic number, because the mean of its divisors is an integer number (1462212).

Almost surely, 2^5605123 is an apocalyptic number.

5605123 is a deficient number, since it is larger than the sum of its proper divisors (243725).

5605123 is a wasteful number, since it uses less digits than its factorization.

5605123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243724.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5605123 is about 2367.5140971069. The cubic root of 5605123 is about 177.6349354177.

The spelling of 5605123 in words is "five million, six hundred five thousand, one hundred twenty-three".