43230001 has 2 divisors, whose sum is σ = 43230002. Its totient is φ = 43230000.

The previous prime is 43229993. The next prime is 43230043. The reversal of 43230001 is 10003234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 14070001 = 5400^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 43230001 - 2³ = 43229993 is a prime.

It is not a weakly prime, because it can be changed into another prime (43230091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21615000 + 21615001.

It is an arithmetic number, because the mean of its divisors is an integer number (21615001).

Almost surely, 2^43230001 is an apocalyptic number.

It is an amenable number.

43230001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43230001 is an equidigital number, since it uses as much as digits as its factorization.

43230001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 43230001 is about 6574.9525473573. The cubic root of 43230001 is about 350.9633352124.

Adding to 43230001 its reverse (10003234), we get a palindrome (53233235).

The spelling of 43230001 in words is "forty-three million, two hundred thirty thousand, one".