7243216723 has 2 divisors, whose sum is σ = 7243216724. Its totient is φ = 7243216722.

The previous prime is 7243216703. The next prime is 7243216733. The reversal of 7243216723 is 3276123427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7243216723 - 2¹⁷ = 7243085651 is a prime.

It is not a weakly prime, because it can be changed into another prime (7243216703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621608361 + 3621608362.

It is an arithmetic number, because the mean of its divisors is an integer number (3621608362).

Almost surely, 2^7243216723 is an apocalyptic number.

7243216723 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243216723 is an equidigital number, since it uses as much as digits as its factorization.

7243216723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 7243216723 is about 85107.0897340521. The cubic root of 7243216723 is about 1934.8345175159.

The spelling of 7243216723 in words is "seven billion, two hundred forty-three million, two hundred sixteen thousand, seven hundred twenty-three".