11775823 has 2 divisors, whose sum is σ = 11775824. Its totient is φ = 11775822.

The previous prime is 11775817. The next prime is 11775833. The reversal of 11775823 is 32857711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11775823 - 2⁹ = 11775311 is a prime.

It is equal to p₇₇₄₂₆₈ and since 11775823 and 774268 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11775833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887911 + 5887912.

It is an arithmetic number, because the mean of its divisors is an integer number (5887912).

Almost surely, 2^11775823 is an apocalyptic number.

11775823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11775823 is an equidigital number, since it uses as much as digits as its factorization.

11775823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 11775823 is about 3431.5919046413. The cubic root of 11775823 is about 227.5082185173.

The spelling of 11775823 in words is "eleven million, seven hundred seventy-five thousand, eight hundred twenty-three".