11823853236 has 48 divisors (see below), whose sum is σ = 29875442688. Its totient is φ = 3618000000.

The previous prime is 11823853231. The next prime is 11823853267. The reversal of 11823853236 is 63235832811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823853231) 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, 181140 + ... + 237611.

It is an arithmetic number, because the mean of its divisors is an integer number (622405056).

Almost surely, 2^11823853236 is an apocalyptic number.

It is an amenable number.

11823853236 is an abundant number, since it is smaller than the sum of its proper divisors (18051589452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11823853236 is a wasteful number, since it uses less digits than its factorization.

11823853236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418952 (or 418950 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 11823853236 in words is "eleven billion, eight hundred twenty-three million, eight hundred fifty-three thousand, two hundred thirty-six".