11845775823 has 48 divisors (see below), whose sum is σ = 18697561344. Its totient is φ = 6650138880.

The previous prime is 11845775819. The next prime is 11845775869. The reversal of 11845775823 is 32857754811.

It is not a de Polignac number, because 11845775823 - 2² = 11845775819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11845775323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3202311 + ... + 3206007.

It is an arithmetic number, because the mean of its divisors is an integer number (389532528).

Almost surely, 2^11845775823 is an apocalyptic number.

11845775823 is a deficient number, since it is larger than the sum of its proper divisors (6851785521).

11845775823 is a wasteful number, since it uses less digits than its factorization.

11845775823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4085 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 51.

The spelling of 11845775823 in words is "eleven billion, eight hundred forty-five million, seven hundred seventy-five thousand, eight hundred twenty-three".