230780988 has 192 divisors, whose sum is σ = 670064640. Its totient is φ = 69284160.

The previous prime is 230780987. The next prime is 230780989. The reversal of 230780988 is 889087032.

It is an interprime number because it is at equal distance from previous prime (230780987) and next prime (230780989).

It is a super-2 number, since 2×230780988² = 106519728844512288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230780987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6237306 + ... + 6237342.

It is an arithmetic number, because the mean of its divisors is an integer number (3489920).

Almost surely, 2^230780988 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 230780988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335032320).

230780988 is an abundant number, since it is smaller than the sum of its proper divisors (439283652).

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

230780988 is a wasteful number, since it uses less digits than its factorization.

230780988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 230780988 is about 15191.4774791657. The cubic root of 230780988 is about 613.3852703603.

The spelling of 230780988 in words is "two hundred thirty million, seven hundred eighty thousand, nine hundred eighty-eight".