723968767 has 2 divisors, whose sum is σ = 723968768. Its totient is φ = 723968766.

The previous prime is 723968737. The next prime is 723968863. The reversal of 723968767 is 767869327.

It is a weak prime.

It is an emirp because it is prime and its reverse (767869327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723968767 - 2²⁷ = 589751039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723968737) 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, 361984383 + 361984384.

It is an arithmetic number, because the mean of its divisors is an integer number (361984384).

Almost surely, 2^723968767 is an apocalyptic number.

723968767 is a deficient number, since it is larger than the sum of its proper divisors (1).

723968767 is an equidigital number, since it uses as much as digits as its factorization.

723968767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 55.

The square root of 723968767 is about 26906.6677052362. The cubic root of 723968767 is about 897.9247522525.

The spelling of 723968767 in words is "seven hundred twenty-three million, nine hundred sixty-eight thousand, seven hundred sixty-seven".