723510041 has 2 divisors, whose sum is σ = 723510042. Its totient is φ = 723510040.

The previous prime is 723510013. The next prime is 723510077. The reversal of 723510041 is 140015327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590684416 + 132825625 = 24304^2 + 11525^2 .

It is a cyclic number.

It is not a de Polignac number, because 723510041 - 2⁶ = 723509977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 723509989 and 723510016.

It is not a weakly prime, because it can be changed into another prime (723510001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361755020 + 361755021.

It is an arithmetic number, because the mean of its divisors is an integer number (361755021).

Almost surely, 2^723510041 is an apocalyptic number.

It is an amenable number.

723510041 is a deficient number, since it is larger than the sum of its proper divisors (1).

723510041 is an equidigital number, since it uses as much as digits as its factorization.

723510041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 723510041 is about 26898.1419618531. The cubic root of 723510041 is about 897.7350624590.

Adding to 723510041 its reverse (140015327), we get a palindrome (863525368).

The spelling of 723510041 in words is "seven hundred twenty-three million, five hundred ten thousand, forty-one".