725823559243 has 2 divisors, whose sum is σ = 725823559244. Its totient is φ = 725823559242.

The previous prime is 725823559213. The next prime is 725823559271. The reversal of 725823559243 is 342955328527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725823559243 is a prime.

It is not a weakly prime, because it can be changed into another prime (725823559213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362911779621 + 362911779622.

It is an arithmetic number, because the mean of its divisors is an integer number (362911779622).

Almost surely, 2^725823559243 is an apocalyptic number.

725823559243 is a deficient number, since it is larger than the sum of its proper divisors (1).

725823559243 is an equidigital number, since it uses as much as digits as its factorization.

725823559243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144000, while the sum is 55.

The spelling of 725823559243 in words is "seven hundred twenty-five billion, eight hundred twenty-three million, five hundred fifty-nine thousand, two hundred forty-three".