43230397 has 6 divisors (see below), whose sum is σ = 50288478. Its totient is φ = 37054584.

The previous prime is 43230389. The next prime is 43230401. The reversal of 43230397 is 79303234.

It can be written as a sum of positive squares in only one way, i.e., 38118276 + 5112121 = 6174^2 + 2261^2 .

It is not a de Polignac number, because 43230397 - 2³ = 43230389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43230347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441078 + ... + 441175.

It is an arithmetic number, because the mean of its divisors is an integer number (8381413).

Almost surely, 2^43230397 is an apocalyptic number.

It is an amenable number.

43230397 is a deficient number, since it is larger than the sum of its proper divisors (7058081).

43230397 is an equidigital number, since it uses as much as digits as its factorization.

43230397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882267 (or 882260 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 43230397 is about 6574.9826615741. The cubic root of 43230397 is about 350.9644068528.

The spelling of 43230397 in words is "forty-three million, two hundred thirty thousand, three hundred ninety-seven".