18809230230 has 192 divisors, whose sum is σ = 56751746688. Its totient is φ = 4233461760.

The previous prime is 18809230199. The next prime is 18809230247. The reversal of 18809230230 is 3203290881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14237970 + ... + 14239290.

It is an arithmetic number, because the mean of its divisors is an integer number (295582014).

Almost surely, 2^18809230230 is an apocalyptic number.

18809230230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18809230230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28375873344).

18809230230 is an abundant number, since it is smaller than the sum of its proper divisors (37942516458).

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

18809230230 is a wasteful number, since it uses less digits than its factorization.

18809230230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 18809230230 in words is "eighteen billion, eight hundred nine million, two hundred thirty thousand, two hundred thirty".