11255823 has 6 divisors (see below), whose sum is σ = 16258424. Its totient is φ = 7503876.

The previous prime is 11255813. The next prime is 11255831. The reversal of 11255823 is 32855211.

It is a happy number.

It is not a de Polignac number, because 11255823 - 2⁵ = 11255791 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625315 + ... + 625332.

Almost surely, 2^11255823 is an apocalyptic number.

11255823 is a deficient number, since it is larger than the sum of its proper divisors (5002601).

11255823 is a wasteful number, since it uses less digits than its factorization.

11255823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250653 (or 1250650 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11255823 is about 3354.9698955430. The cubic root of 11255823 is about 224.1088902447.

The spelling of 11255823 in words is "eleven million, two hundred fifty-five thousand, eight hundred twenty-three".