723256545652313 has 2 divisors, whose sum is σ = 723256545652314. Its totient is φ = 723256545652312.

The previous prime is 723256545652307. The next prime is 723256545652331. The reversal of 723256545652313 is 313256545652327.

Together with next prime (723256545652331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562064143083664 + 161192402568649 = 23707892^2 + 12696157^2 .

It is a cyclic number.

It is not a de Polignac number, because 723256545652313 - 2⁴⁰ = 722157034024537 is a prime.

It is not a weakly prime, because it can be changed into another prime (723256545652373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361628272826156 + 361628272826157.

It is an arithmetic number, because the mean of its divisors is an integer number (361628272826157).

Almost surely, 2^{723256545652313} is an apocalyptic number.

It is an amenable number.

723256545652313 is a deficient number, since it is larger than the sum of its proper divisors (1).

723256545652313 is an equidigital number, since it uses as much as digits as its factorization.

723256545652313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080000, while the sum is 59.

The spelling of 723256545652313 in words is "seven hundred twenty-three trillion, two hundred fifty-six billion, five hundred forty-five million, six hundred fifty-two thousand, three hundred thirteen".