230665436 has 12 divisors (see below), whose sum is σ = 421215312. Its totient is φ = 110318208.

The previous prime is 230665433. The next prime is 230665441. The reversal of 230665436 is 634566032.

It is a junction number, because it is equal to n+sod(n) for n = 230665396 and 230665405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230665433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1253525 + ... + 1253708.

It is an arithmetic number, because the mean of its divisors is an integer number (35101276).

Almost surely, 2^230665436 is an apocalyptic number.

It is an amenable number.

230665436 is a deficient number, since it is larger than the sum of its proper divisors (190549876).

230665436 is a wasteful number, since it uses less digits than its factorization.

230665436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507260 (or 2507258 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 230665436 is about 15187.6738179354. The cubic root of 230665436 is about 613.2828793038.

The spelling of 230665436 in words is "two hundred thirty million, six hundred sixty-five thousand, four hundred thirty-six".