230891108 has 48 divisors (see below), whose sum is σ = 473969664. Its totient is φ = 96370560.

The previous prime is 230891107. The next prime is 230891147. The reversal of 230891108 is 801198032.

230891108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230891107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232493 + ... + 233483.

It is an arithmetic number, because the mean of its divisors is an integer number (9874368).

Almost surely, 2^230891108 is an apocalyptic number.

230891108 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 230891108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236984832).

230891108 is an abundant number, since it is smaller than the sum of its proper divisors (243078556).

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

230891108 is a wasteful number, since it uses less digits than its factorization.

230891108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 230891108 is about 15195.1014475060. The cubic root of 230891108 is about 613.4828163005.

The spelling of 230891108 in words is "two hundred thirty million, eight hundred ninety-one thousand, one hundred eight".