723797 has 2 divisors, whose sum is σ = 723798. Its totient is φ = 723796.

The previous prime is 723791. The next prime is 723799. The reversal of 723797 is 797327.

723797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556516 + 167281 = 746^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 723797 - 2¹⁶ = 658261 is a prime.

Together with 723799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361898 + 361899.

It is an arithmetic number, because the mean of its divisors is an integer number (361899).

2⁷²³⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

723797 is a deficient number, since it is larger than the sum of its proper divisors (1).

723797 is an equidigital number, since it uses as much as digits as its factorization.

723797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18522, while the sum is 35.

The square root of 723797 is about 850.7625990839. The cubic root of 723797 is about 89.7853733517.

The spelling of 723797 in words is "seven hundred twenty-three thousand, seven hundred ninety-seven".