723957972797 has 2 divisors, whose sum is σ = 723957972798. Its totient is φ = 723957972796.

The previous prime is 723957972791. The next prime is 723957972877. The reversal of 723957972797 is 797279759327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587999109721 + 135958863076 = 766811^2 + 368726^2 .

It is a cyclic number.

It is not a de Polignac number, because 723957972797 - 2¹⁴ = 723957956413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723957972791) 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, 361978986398 + 361978986399.

It is an arithmetic number, because the mean of its divisors is an integer number (361978986399).

Almost surely, 2^723957972797 is an apocalyptic number.

It is an amenable number.

723957972797 is a deficient number, since it is larger than the sum of its proper divisors (1).

723957972797 is an equidigital number, since it uses as much as digits as its factorization.

723957972797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735138180, while the sum is 74.

The spelling of 723957972797 in words is "seven hundred twenty-three billion, nine hundred fifty-seven million, nine hundred seventy-two thousand, seven hundred ninety-seven".