723976044089 has 2 divisors, whose sum is σ = 723976044090. Its totient is φ = 723976044088.

The previous prime is 723976044067. The next prime is 723976044151. The reversal of 723976044089 is 980440679327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723974651689 + 1392400 = 850867^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723976044089 is a prime.

It is not a weakly prime, because it can be changed into another prime (723976044049) 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, 361988022044 + 361988022045.

It is an arithmetic number, because the mean of its divisors is an integer number (361988022045).

Almost surely, 2^723976044089 is an apocalyptic number.

It is an amenable number.

723976044089 is a deficient number, since it is larger than the sum of its proper divisors (1).

723976044089 is an equidigital number, since it uses as much as digits as its factorization.

723976044089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 723976044089 in words is "seven hundred twenty-three billion, nine hundred seventy-six million, forty-four thousand, eighty-nine".