43623105677663 has 2 divisors, whose sum is σ = 43623105677664. Its totient is φ = 43623105677662.

The previous prime is 43623105677647. The next prime is 43623105677717. The reversal of 43623105677663 is 36677650132634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43623105677663 - 2⁴ = 43623105677647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43623105607663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21811552838831 + 21811552838832.

It is an arithmetic number, because the mean of its divisors is an integer number (21811552838832).

Almost surely, 2^{43623105677663} is an apocalyptic number.

43623105677663 is a deficient number, since it is larger than the sum of its proper divisors (1).

43623105677663 is an equidigital number, since it uses as much as digits as its factorization.

43623105677663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 59.

The spelling of 43623105677663 in words is "forty-three trillion, six hundred twenty-three billion, one hundred five million, six hundred seventy-seven thousand, six hundred sixty-three".