230189568 has 160 divisors (see below), whose sum is σ = 712335360. Its totient is φ = 64696320.

The previous prime is 230189551. The next prime is 230189569. The reversal of 230189568 is 865981032.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230189569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849273 + ... + 849543.

It is an arithmetic number, because the mean of its divisors is an integer number (4452096).

Almost surely, 2^230189568 is an apocalyptic number.

230189568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230189568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356167680).

230189568 is an abundant number, since it is smaller than the sum of its proper divisors (482145792).

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

230189568 is an equidigital number, since it uses as much as digits as its factorization.

230189568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 230189568 is about 15171.9994727129. Note that the first 3 decimals coincide. The cubic root of 230189568 is about 612.8608501453.

The spelling of 230189568 in words is "two hundred thirty million, one hundred eighty-nine thousand, five hundred sixty-eight".