723235355151217 has 2 divisors, whose sum is σ = 723235355151218. Its totient is φ = 723235355151216.

The previous prime is 723235355151157. The next prime is 723235355151227. The reversal of 723235355151217 is 712151553532327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458935031627361 + 264300323523856 = 21422769^2 + 16257316^2 .

It is an emirp because it is prime and its reverse (712151553532327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723235355151217 - 2¹⁵ = 723235355118449 is a prime.

It is not a weakly prime, because it can be changed into another prime (723235355151227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361617677575608 + 361617677575609.

It is an arithmetic number, because the mean of its divisors is an integer number (361617677575609).

Almost surely, 2^{723235355151217} is an apocalyptic number.

It is an amenable number.

723235355151217 is a deficient number, since it is larger than the sum of its proper divisors (1).

723235355151217 is an equidigital number, since it uses as much as digits as its factorization.

723235355151217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6615000, while the sum is 52.

The spelling of 723235355151217 in words is "seven hundred twenty-three trillion, two hundred thirty-five billion, three hundred fifty-five million, one hundred fifty-one thousand, two hundred seventeen".