8023143128 has 96 divisors (see below), whose sum is σ = 20351362080. Its totient is φ = 2885414400.

The previous prime is 8023143119. The next prime is 8023143133. The reversal of 8023143128 is 8213413208.

It is a junction number, because it is equal to n+sod(n) for n = 8023143094 and 8023143103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42548 + ... + 133628.

It is an arithmetic number, because the mean of its divisors is an integer number (211993355).

Almost surely, 2^8023143128 is an apocalyptic number.

8023143128 is a gapful number since it is divisible by the number (88) 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 8023143128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10175681040).

8023143128 is an abundant number, since it is smaller than the sum of its proper divisors (12328218952).

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

8023143128 is a wasteful number, since it uses less digits than its factorization.

8023143128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91129 (or 91114 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 8023143128 is about 89571.9996874023. Note that the first 3 decimals coincide. The cubic root of 8023143128 is about 2001.9267372457.

It can be divided in two parts, 8023 and 143128, that added together give a palindrome (151151).

The spelling of 8023143128 in words is "eight billion, twenty-three million, one hundred forty-three thousand, one hundred twenty-eight".