43230664 has 8 divisors (see below), whose sum is σ = 81057510. Its totient is φ = 21615328.

The previous prime is 43230661. The next prime is 43230667. The reversal of 43230664 is 46603234.

It is an interprime number because it is at equal distance from previous prime (43230661) and next prime (43230667).

It can be written as a sum of positive squares in only one way, i.e., 25100100 + 18130564 = 5010^2 + 4258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (43230661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701909 + ... + 2701924.

Almost surely, 2^43230664 is an apocalyptic number.

It is an amenable number.

43230664 is a deficient number, since it is larger than the sum of its proper divisors (37826846).

43230664 is a wasteful number, since it uses less digits than its factorization.

43230664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403839 (or 5403835 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 43230664 is about 6575.0029657788. The cubic root of 43230664 is about 350.9651293946.

Adding to 43230664 its reverse (46603234), we get a palindrome (89833898).

The spelling of 43230664 in words is "forty-three million, two hundred thirty thousand, six hundred sixty-four".