230999688 has 96 divisors (see below), whose sum is σ = 653671200. Its totient is φ = 76527504.

The previous prime is 230999687. The next prime is 230999711. The reversal of 230999688 is 886999032.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (230999687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417095 + ... + 1417257.

It is an arithmetic number, because the mean of its divisors is an integer number (6809075).

Almost surely, 2^230999688 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 230999688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326835600).

230999688 is an abundant number, since it is smaller than the sum of its proper divisors (422671512).

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

230999688 is an frugal number, since it uses more digits than its factorization.

230999688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 230999688 is about 15198.6738895208. The cubic root of 230999688 is about 613.5789677226.

The spelling of 230999688 in words is "two hundred thirty million, nine hundred ninety-nine thousand, six hundred eighty-eight".