230603640 has 64 divisors (see below), whose sum is σ = 732512160. Its totient is φ = 57876480.

The previous prime is 230603617. The next prime is 230603651. The reversal of 230603640 is 46306032.

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 230603640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54481 + ... + 58560.

Almost surely, 2^230603640 is an apocalyptic number.

230603640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230603640 is an abundant number, since it is smaller than the sum of its proper divisors (501908520).

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

230603640 is a wasteful number, since it uses less digits than its factorization.

230603640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113072 (or 113068 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 230603640 is about 15185.6392687302. The cubic root of 230603640 is about 613.2281076045.

Adding to 230603640 its reverse (46306032), we get a palindrome (276909672).

The spelling of 230603640 in words is "two hundred thirty million, six hundred three thousand, six hundred forty".