230645688 has 64 divisors (see below), whose sum is σ = 709685760. Its totient is φ = 60829056.

The previous prime is 230645683. The next prime is 230645689. The reversal of 230645688 is 886546032.

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 (230645683) 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, 50620 + ... + 54987.

It is an arithmetic number, because the mean of its divisors is an integer number (11088840).

Almost surely, 2^230645688 is an apocalyptic number.

230645688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230645688 is an abundant number, since it is smaller than the sum of its proper divisors (479040072).

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

230645688 is a wasteful number, since it uses less digits than its factorization.

230645688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105636 (or 105632 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 230645688 is about 15187.0236715428. The cubic root of 230645688 is about 613.2653771064.

The spelling of 230645688 in words is "two hundred thirty million, six hundred forty-five thousand, six hundred eighty-eight".