56236623 has 16 divisors (see below), whose sum is σ = 76322400. Its totient is φ = 36827136.

The previous prime is 56236603. The next prime is 56236639. The reversal of 56236623 is 32663265.

It is not a de Polignac number, because 56236623 - 2¹⁷ = 56105551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56236603) 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, 42711 + ... + 44007.

It is an arithmetic number, because the mean of its divisors is an integer number (4770150).

Almost surely, 2^56236623 is an apocalyptic number.

56236623 is a deficient number, since it is larger than the sum of its proper divisors (20085777).

56236623 is a wasteful number, since it uses less digits than its factorization.

56236623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 38880, while the sum is 33.

The square root of 56236623 is about 7499.1081469732. The cubic root of 56236623 is about 383.1243406887.

Adding to 56236623 its reverse (32663265), we get a palindrome (88899888).

It can be divided in two parts, 5623 and 6623, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 56236623 in words is "fifty-six million, two hundred thirty-six thousand, six hundred twenty-three".