23118667488 has 240 divisors, whose sum is σ = 81084326400. Its totient is φ = 6318031104.

The previous prime is 23118667483. The next prime is 23118667531. The reversal of 23118667488 is 88476681132.

23118667488 is a `hidden beast` number, since 23 + 1 + 1 + 86 + 67 + 488 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23118667483) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 389613 + ... + 445011.

It is an arithmetic number, because the mean of its divisors is an integer number (337851360).

Almost surely, 2^23118667488 is an apocalyptic number.

23118667488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23118667488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40542163200).

23118667488 is an abundant number, since it is smaller than the sum of its proper divisors (57965658912).

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

23118667488 is a wasteful number, since it uses less digits than its factorization.

23118667488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55451 (or 55434 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 23118667488 in words is "twenty-three billion, one hundred eighteen million, six hundred sixty-seven thousand, four hundred eighty-eight".