230689568657256 has 128 divisors (see below), whose sum is σ = 592355811801600. Its totient is φ = 74839194132480.

The previous prime is 230689568657203. The next prime is 230689568657257. The reversal of 230689568657256 is 652756865986032.

It is not an unprimeable number, because it can be changed into a prime (230689568657257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633599710 + ... + 633963698.

It is an arithmetic number, because the mean of its divisors is an integer number (4627779779700).

Almost surely, 2^{230689568657256} 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 230689568657256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296177905900800).

230689568657256 is an abundant number, since it is smaller than the sum of its proper divisors (361666243144344).

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

230689568657256 is a wasteful number, since it uses less digits than its factorization.

230689568657256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368619 (or 368615 counting only the distinct ones).

The product of its (nonzero) digits is 7838208000, while the sum is 78.

The spelling of 230689568657256 in words is "two hundred thirty trillion, six hundred eighty-nine billion, five hundred sixty-eight million, six hundred fifty-seven thousand, two hundred fifty-six".