5109623 has 4 divisors (see below), whose sum is σ = 5114208. Its totient is φ = 5105040.

The previous prime is 5109617. The next prime is 5109631. The reversal of 5109623 is 3269015.

5109623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5109623 - 2²⁰ = 4061047 is a prime.

It is a super-2 number, since 2×5109623² = 52216494404258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5109592 and 5109601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (1278552).

Almost surely, 2^5109623 is an apocalyptic number.

5109623 is a deficient number, since it is larger than the sum of its proper divisors (4585).

5109623 is a wasteful number, since it uses less digits than its factorization.

5109623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 5109623 is about 2260.4475220628. The cubic root of 5109623 is about 172.2382559859.

The spelling of 5109623 in words is "five million, one hundred nine thousand, six hundred twenty-three".