230011856728 has 16 divisors (see below), whose sum is σ = 432301527000. Its totient is φ = 114731449536.

The previous prime is 230011856699. The next prime is 230011856749. The reversal of 230011856728 is 827658110032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34306293 + ... + 34312996.

Almost surely, 2^230011856728 is an apocalyptic number.

It is an amenable number.

230011856728 is a deficient number, since it is larger than the sum of its proper divisors (202289670272).

230011856728 is a wasteful number, since it uses less digits than its factorization.

230011856728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68619714 (or 68619710 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 230011856728 in words is "two hundred thirty billion, eleven million, eight hundred fifty-six thousand, seven hundred twenty-eight".