11823449218038 has 64 divisors (see below), whose sum is σ = 26826166725120. Its totient is φ = 3859078946976.

The previous prime is 11823449218033. The next prime is 11823449218043. The reversal of 11823449218038 is 83081294432811.

11823449218038 is a `hidden beast` number, since 1 + 1 + 8 + 2 + 344 + 92 + 180 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (11823449218033) and next prime (11823449218043).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823449218033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9180081 + ... + 10388492.

It is an arithmetic number, because the mean of its divisors is an integer number (419158855080).

Almost surely, 2^{11823449218038} is an apocalyptic number.

11823449218038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11823449218038 is an abundant number, since it is smaller than the sum of its proper divisors (15002717507082).

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

11823449218038 is a wasteful number, since it uses less digits than its factorization.

11823449218038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19568818 (or 19568812 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 11823449218038 in words is "eleven trillion, eight hundred twenty-three billion, four hundred forty-nine million, two hundred eighteen thousand, thirty-eight".