23663887338 has 96 divisors (see below), whose sum is σ = 58670092800. Its totient is φ = 6230323008.

The previous prime is 23663887333. The next prime is 23663887363. The reversal of 23663887338 is 83378836632.

It is not an unprimeable number, because it can be changed into a prime (23663887333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4675053 + ... + 4680111.

It is an arithmetic number, because the mean of its divisors is an integer number (611146800).

Almost surely, 2^23663887338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23663887338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29335046400).

23663887338 is an abundant number, since it is smaller than the sum of its proper divisors (35006205462).

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

23663887338 is a wasteful number, since it uses less digits than its factorization.

23663887338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756 (or 5743 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 57.

The spelling of 23663887338 in words is "twenty-three billion, six hundred sixty-three million, eight hundred eighty-seven thousand, three hundred thirty-eight".