8123000256 has 168 divisors, whose sum is σ = 26661140480. Its totient is φ = 2316335616.

The previous prime is 8123000233. The next prime is 8123000257. The reversal of 8123000256 is 6520003218.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123000257) 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, 2445765 + ... + 2449083.

Almost surely, 2^8123000256 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 8123000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13330570240).

8123000256 is an abundant number, since it is smaller than the sum of its proper divisors (18538140224).

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

8123000256 is a wasteful number, since it uses less digits than its factorization.

8123000256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8123000256 is about 90127.6886200906. The cubic root of 8123000256 is about 2010.1979340239.

The spelling of 8123000256 in words is "eight billion, one hundred twenty-three million, two hundred fifty-six", and thus it is an aban number.