230565940 has 24 divisors (see below), whose sum is σ = 528206112. Its totient is φ = 83842080.

The previous prime is 230565911. The next prime is 230565947. The reversal of 230565940 is 49565032.

230565940 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230565896 and 230565905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230565947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523794 + ... + 524233.

It is an arithmetic number, because the mean of its divisors is an integer number (22008588).

Almost surely, 2^230565940 is an apocalyptic number.

230565940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230565940 is an abundant number, since it is smaller than the sum of its proper divisors (297640172).

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

230565940 is a wasteful number, since it uses less digits than its factorization.

230565940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048047 (or 1048045 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 230565940 is about 15184.3979136481. The cubic root of 230565940 is about 613.1946881268.

The spelling of 230565940 in words is "two hundred thirty million, five hundred sixty-five thousand, nine hundred forty".