43980724423 has 2 divisors, whose sum is σ = 43980724424. Its totient is φ = 43980724422.

The previous prime is 43980724379. The next prime is 43980724483. The reversal of 43980724423 is 32442708934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43980724423 - 2⁹ = 43980723911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43980724483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21990362211 + 21990362212.

It is an arithmetic number, because the mean of its divisors is an integer number (21990362212).

Almost surely, 2^43980724423 is an apocalyptic number.

43980724423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43980724423 is an equidigital number, since it uses as much as digits as its factorization.

43980724423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 43980724423 in words is "forty-three billion, nine hundred eighty million, seven hundred twenty-four thousand, four hundred twenty-three".