230279005728 has 120 divisors (see below), whose sum is σ = 681730378560. Its totient is φ = 76251196800.

The previous prime is 230279005727. The next prime is 230279005757. The reversal of 230279005728 is 827500972032.

230279005728 is a `hidden beast` number, since 2 + 3 + 0 + 2 + 79 + 0 + 0 + 572 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (230279005727) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97213 + ... + 685571.

It is an arithmetic number, because the mean of its divisors is an integer number (5681086488).

Almost surely, 2^230279005728 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 230279005728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340865189280).

230279005728 is an abundant number, since it is smaller than the sum of its proper divisors (451451372832).

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

230279005728 is a wasteful number, since it uses less digits than its factorization.

230279005728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588532 (or 588515 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 230279005728 in words is "two hundred thirty billion, two hundred seventy-nine million, five thousand, seven hundred twenty-eight".