5636423 has 4 divisors (see below), whose sum is σ = 6070008. Its totient is φ = 5202840.

The previous prime is 5636419. The next prime is 5636437. The reversal of 5636423 is 3246365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3246365 = 5 ⋅649273.

It is a cyclic number.

It is not a de Polignac number, because 5636423 - 2² = 5636419 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 6² + 3³ + 6⁸ + 4⁹ + 2²¹ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636453) 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, 216773 + ... + 216798.

It is an arithmetic number, because the mean of its divisors is an integer number (1517502).

Almost surely, 2^5636423 is an apocalyptic number.

5636423 is a deficient number, since it is larger than the sum of its proper divisors (433585).

5636423 is a wasteful number, since it uses less digits than its factorization.

5636423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433584.

The product of its digits is 12960, while the sum is 29.

The square root of 5636423 is about 2374.1152036074. The cubic root of 5636423 is about 177.9649701719.

The spelling of 5636423 in words is "five million, six hundred thirty-six thousand, four hundred twenty-three".