230611560 has 32 divisors (see below), whose sum is σ = 691835040. Its totient is φ = 61496384.

The previous prime is 230611543. The next prime is 230611631. The reversal of 230611560 is 65116032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 230611560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960762 + ... + 961001.

It is an arithmetic number, because the mean of its divisors is an integer number (21619845).

Almost surely, 2^230611560 is an apocalyptic number.

230611560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230611560 is an abundant number, since it is smaller than the sum of its proper divisors (461223480).

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

230611560 is a wasteful number, since it uses less digits than its factorization.

230611560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921777 (or 1921773 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 230611560 is about 15185.9000391811. The cubic root of 230611560 is about 613.2351278912.

Adding to 230611560 its reverse (65116032), we get a palindrome (295727592).

The spelling of 230611560 in words is "two hundred thirty million, six hundred eleven thousand, five hundred sixty".