43973063 has 2 divisors, whose sum is σ = 43973064. Its totient is φ = 43973062.

The previous prime is 43973053. The next prime is 43973089. The reversal of 43973063 is 36037934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43973063 - 2⁸ = 43972807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43973023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21986531 + 21986532.

It is an arithmetic number, because the mean of its divisors is an integer number (21986532).

Almost surely, 2^43973063 is an apocalyptic number.

43973063 is a deficient number, since it is larger than the sum of its proper divisors (1).

43973063 is an equidigital number, since it uses as much as digits as its factorization.

43973063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 43973063 is about 6631.2188170803. The cubic root of 43973063 is about 352.9627756493.

The spelling of 43973063 in words is "forty-three million, nine hundred seventy-three thousand, sixty-three".