11525823 has 12 divisors (see below), whose sum is σ = 16679520. Its totient is φ = 7669536.

The previous prime is 11525819. The next prime is 11525851. The reversal of 11525823 is 32852511.

It is a happy number.

It is not a de Polignac number, because 11525823 - 2² = 11525819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11525873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6490 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (1389960).

Almost surely, 2^11525823 is an apocalyptic number.

11525823 is a deficient number, since it is larger than the sum of its proper divisors (5153697).

11525823 is a wasteful number, since it uses less digits than its factorization.

11525823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2395 counting only the distinct ones).

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

The square root of 11525823 is about 3394.9702502378. The cubic root of 11525823 is about 225.8866936661.

The spelling of 11525823 in words is "eleven million, five hundred twenty-five thousand, eight hundred twenty-three".