43328963 has 2 divisors, whose sum is σ = 43328964. Its totient is φ = 43328962.

The previous prime is 43328959. The next prime is 43329001. The reversal of 43328963 is 36982334.

It is an a-pointer prime, because the next prime (43329001) can be obtained adding 43328963 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43328963 - 2² = 43328959 is a prime.

It is not a weakly prime, because it can be changed into another prime (43328863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21664481 + 21664482.

It is an arithmetic number, because the mean of its divisors is an integer number (21664482).

Almost surely, 2^43328963 is an apocalyptic number.

43328963 is a deficient number, since it is larger than the sum of its proper divisors (1).

43328963 is an equidigital number, since it uses as much as digits as its factorization.

43328963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 43328963 is about 6582.4739270277. The cubic root of 43328963 is about 351.2309392189.

The spelling of 43328963 in words is "forty-three million, three hundred twenty-eight thousand, nine hundred sixty-three".