8231128425234 has 256 divisors, whose sum is σ = 21832509726720. Its totient is φ = 2284803892800.

The previous prime is 8231128425181. The next prime is 8231128425301. The reversal of 8231128425234 is 4325248211328.

8231128425234 is a `hidden beast` number, since 8 + 2 + 3 + 112 + 8 + 4 + 2 + 523 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8231128425234.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 122367799 + ... + 122435045.

It is an arithmetic number, because the mean of its divisors is an integer number (85283241120).

Almost surely, 2^{8231128425234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8231128425234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10916254863360).

8231128425234 is an abundant number, since it is smaller than the sum of its proper divisors (13601381301486).

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

8231128425234 is a wasteful number, since it uses less digits than its factorization.

8231128425234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67435 (or 67407 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 8231128425234 in words is "eight trillion, two hundred thirty-one billion, one hundred twenty-eight million, four hundred twenty-five thousand, two hundred thirty-four".