729696223 has 2 divisors, whose sum is σ = 729696224. Its totient is φ = 729696222.

The previous prime is 729696221. The next prime is 729696281. The reversal of 729696223 is 322696927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729696223 - 2¹ = 729696221 is a prime.

Together with 729696221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729696221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364848111 + 364848112.

It is an arithmetic number, because the mean of its divisors is an integer number (364848112).

Almost surely, 2^729696223 is an apocalyptic number.

729696223 is a deficient number, since it is larger than the sum of its proper divisors (1).

729696223 is an equidigital number, since it uses as much as digits as its factorization.

729696223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 729696223 is about 27012.8899416556. The cubic root of 729696223 is about 900.2864203612.

The spelling of 729696223 in words is "seven hundred twenty-nine million, six hundred ninety-six thousand, two hundred twenty-three".