5309623 has 16 divisors (see below), whose sum is σ = 6062112. Its totient is φ = 4608000.

The previous prime is 5309599. The next prime is 5309659. The reversal of 5309623 is 3269035.

It is a cyclic number.

It is not a de Polignac number, because 5309623 - 2⁹ = 5309111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5309591 and 5309600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27415 + ... + 27607.

It is an arithmetic number, because the mean of its divisors is an integer number (378882).

Almost surely, 2^5309623 is an apocalyptic number.

5309623 is a deficient number, since it is larger than the sum of its proper divisors (752489).

5309623 is a wasteful number, since it uses less digits than its factorization.

5309623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 5309623 is about 2304.2619208762. The cubic root of 5309623 is about 174.4567972675.

It can be divided in two parts, 530962 and 3, that added together give a triangular number (530965 = T₁₀₃₀).

The spelling of 5309623 in words is "five million, three hundred nine thousand, six hundred twenty-three".