43504954984823 has 2 divisors, whose sum is σ = 43504954984824. Its totient is φ = 43504954984822.

The previous prime is 43504954984769. The next prime is 43504954984867. The reversal of 43504954984823 is 32848945940534.

43504954984823 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 not a de Polignac number, because 43504954984823 - 2⁸ = 43504954984567 is a prime.

It is a super-2 number, since 2×43504954984823² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43504954984723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21752477492411 + 21752477492412.

It is an arithmetic number, because the mean of its divisors is an integer number (21752477492412).

Almost surely, 2^{43504954984823} is an apocalyptic number.

43504954984823 is a deficient number, since it is larger than the sum of its proper divisors (1).

43504954984823 is an equidigital number, since it uses as much as digits as its factorization.

43504954984823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 597196800, while the sum is 68.

The spelling of 43504954984823 in words is "forty-three trillion, five hundred four billion, nine hundred fifty-four million, nine hundred eighty-four thousand, eight hundred twenty-three".