729867323 has 2 divisors, whose sum is σ = 729867324. Its totient is φ = 729867322.

The previous prime is 729867289. The next prime is 729867361. The reversal of 729867323 is 323768927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729867323 - 2¹⁴ = 729850939 is a prime.

It is not a weakly prime, because it can be changed into another prime (729867923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364933661 + 364933662.

It is an arithmetic number, because the mean of its divisors is an integer number (364933662).

Almost surely, 2^729867323 is an apocalyptic number.

729867323 is a deficient number, since it is larger than the sum of its proper divisors (1).

729867323 is an equidigital number, since it uses as much as digits as its factorization.

729867323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 729867323 is about 27016.0567625995. The cubic root of 729867323 is about 900.3567815898.

The spelling of 729867323 in words is "seven hundred twenty-nine million, eight hundred sixty-seven thousand, three hundred twenty-three".