43230010321 has 4 divisors (see below), whose sum is σ = 43232215972. Its totient is φ = 43227804672.

The previous prime is 43230010303. The next prime is 43230010333. The reversal of 43230010321 is 12301003234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26492119696 + 16737890625 = 162764^2 + 129375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43230010321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43230010121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1073160 + ... + 1112713.

It is an arithmetic number, because the mean of its divisors is an integer number (10808053993).

Almost surely, 2^43230010321 is an apocalyptic number.

It is an amenable number.

43230010321 is a deficient number, since it is larger than the sum of its proper divisors (2205651).

43230010321 is a wasteful number, since it uses less digits than its factorization.

43230010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205650.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 43230010321 its reverse (12301003234), we get a palindrome (55531013555).

The spelling of 43230010321 in words is "forty-three billion, two hundred thirty million, ten thousand, three hundred twenty-one".