230587812 has 144 divisors (see below), whose sum is σ = 730154880. Its totient is φ = 59733504.

The previous prime is 230587793. The next prime is 230587859. The reversal of 230587812 is 218785032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192688 + ... + 193880.

It is an arithmetic number, because the mean of its divisors is an integer number (5070520).

Almost surely, 2^230587812 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 230587812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365077440).

230587812 is an abundant number, since it is smaller than the sum of its proper divisors (499567068).

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

230587812 is a wasteful number, since it uses less digits than its factorization.

230587812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 230587812 is about 15185.1181095176. The cubic root of 230587812 is about 613.2140771862.

The spelling of 230587812 in words is "two hundred thirty million, five hundred eighty-seven thousand, eight hundred twelve".