43868263 has 2 divisors, whose sum is σ = 43868264. Its totient is φ = 43868262.

The previous prime is 43868243. The next prime is 43868281. The reversal of 43868263 is 36286834.

43868263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43868263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43868203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21934131 + 21934132.

It is an arithmetic number, because the mean of its divisors is an integer number (21934132).

Almost surely, 2^43868263 is an apocalyptic number.

43868263 is a deficient number, since it is larger than the sum of its proper divisors (1).

43868263 is an equidigital number, since it uses as much as digits as its factorization.

43868263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 43868263 is about 6623.3120868641. The cubic root of 43868263 is about 352.6821498787.

The spelling of 43868263 in words is "forty-three million, eight hundred sixty-eight thousand, two hundred sixty-three".