23143893768 has 96 divisors (see below), whose sum is σ = 66500428800. Its totient is φ = 7250995584.

The previous prime is 23143893767. The next prime is 23143893769. The reversal of 23143893768 is 86739834132.

23143893768 is a `hidden beast` number, since 231 + 4 + 38 + 9 + 376 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (23143893767) and next prime (23143893769).

It is not an unprimeable number, because it can be changed into a prime (23143893767) 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, 107130 + ... + 240342.

It is an arithmetic number, because the mean of its divisors is an integer number (692712800).

Almost surely, 2^23143893768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23143893768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33250214400).

23143893768 is an abundant number, since it is smaller than the sum of its proper divisors (43356535032).

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

23143893768 is a wasteful number, since it uses less digits than its factorization.

23143893768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133371 (or 133364 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 23143893768 in words is "twenty-three billion, one hundred forty-three million, eight hundred ninety-three thousand, seven hundred sixty-eight".