41723989 has 2 divisors, whose sum is σ = 41723990. Its totient is φ = 41723988.

The previous prime is 41723987. The next prime is 41723993. The reversal of 41723989 is 98932714.

41723989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 18225 = 6458^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 41723989 - 2¹ = 41723987 is a prime.

Together with 41723987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41723987) 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, 20861994 + 20861995.

It is an arithmetic number, because the mean of its divisors is an integer number (20861995).

Almost surely, 2^41723989 is an apocalyptic number.

It is an amenable number.

41723989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41723989 is an equidigital number, since it uses as much as digits as its factorization.

41723989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 41723989 is about 6459.4108864509. The cubic root of 41723989 is about 346.8395446703.

The spelling of 41723989 in words is "forty-one million, seven hundred twenty-three thousand, nine hundred eighty-nine".