11823530481 has 24 divisors (see below), whose sum is σ = 20666340864. Its totient is φ = 6358872960.

The previous prime is 11823530441. The next prime is 11823530503. The reversal of 11823530481 is 18403532811.

11823530481 is a `hidden beast` number, since 1 + 1 + 82 + 3 + 530 + 48 + 1 = 666.

It is not a de Polignac number, because 11823530481 - 2¹³ = 11823522289 is a prime.

It is a super-2 number, since 2×11823530481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11823530441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5518785 + ... + 5520926.

It is an arithmetic number, because the mean of its divisors is an integer number (861097536).

Almost surely, 2^11823530481 is an apocalyptic number.

It is an amenable number.

11823530481 is a deficient number, since it is larger than the sum of its proper divisors (8842810383).

11823530481 is a wasteful number, since it uses less digits than its factorization.

11823530481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039741 (or 11039738 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 11823530481 in words is "eleven billion, eight hundred twenty-three million, five hundred thirty thousand, four hundred eighty-one".