5263623 has 12 divisors (see below), whose sum is σ = 7884968. Its totient is φ = 3508920.

The previous prime is 5263613. The next prime is 5263631. The reversal of 5263623 is 3263625.

5263623 is a `hidden beast` number, since 5 + 2 + 636 + 23 = 666.

It is not a de Polignac number, because 5263623 - 2⁴ = 5263607 is a prime.

It is a super-2 number, since 2×5263623² = 55411454172258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 5⁴ + 2²⁰ + 6³ + 3 + 6³ + 2²² + 3⁹ .

It is a Duffinian number.

5263623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10588 + ... + 11073.

Almost surely, 2^5263623 is an apocalyptic number.

5263623 is a deficient number, since it is larger than the sum of its proper divisors (2621345).

5263623 is an equidigital number, since it uses as much as digits as its factorization.

5263623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21676 (or 21664 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 5263623 is about 2294.2587038083. The cubic root of 5263623 is about 173.9515322794.

It can be divided in two parts, 5263 and 623, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5263623 in words is "five million, two hundred sixty-three thousand, six hundred twenty-three".