11541823 has 2 divisors, whose sum is σ = 11541824. Its totient is φ = 11541822.

The previous prime is 11541809. The next prime is 11541841. The reversal of 11541823 is 32814511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11541823 - 2⁹ = 11541311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11541853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770911 + 5770912.

It is an arithmetic number, because the mean of its divisors is an integer number (5770912).

Almost surely, 2^11541823 is an apocalyptic number.

11541823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11541823 is an equidigital number, since it uses as much as digits as its factorization.

11541823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

The square root of 11541823 is about 3397.3258601435. The cubic root of 11541823 is about 225.9911696761.

The spelling of 11541823 in words is "eleven million, five hundred forty-one thousand, eight hundred twenty-three".