43230201021 has 24 divisors (see below), whose sum is σ = 71737795584. Its totient is φ = 24573630240.

The previous prime is 43230200977. The next prime is 43230201029. The reversal of 43230201021 is 12010203234.

43230201021 is a `hidden beast` number, since 432 + 30 + 201 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 43230201021 - 2¹⁴ = 43230184637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43230200985 and 43230201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43230201029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1784286 + ... + 1808351.

It is an arithmetic number, because the mean of its divisors is an integer number (2989074816).

Almost surely, 2^43230201021 is an apocalyptic number.

It is an amenable number.

43230201021 is a deficient number, since it is larger than the sum of its proper divisors (28507594563).

43230201021 is a wasteful number, since it uses less digits than its factorization.

43230201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592841 (or 3592838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 43230201021 its reverse (12010203234), we get a palindrome (55240404255).

The spelling of 43230201021 in words is "forty-three billion, two hundred thirty million, two hundred one thousand, twenty-one".