729998023 has 2 divisors, whose sum is σ = 729998024. Its totient is φ = 729998022.

The previous prime is 729998021. The next prime is 729998047. The reversal of 729998023 is 320899927.

729998023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729998023 - 2¹ = 729998021 is a prime.

It is a super-2 number, since 2×729998023² = 1065794227167817058, which contains 22 as substring.

Together with 729998021, 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 (729998021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364999011 + 364999012.

It is an arithmetic number, because the mean of its divisors is an integer number (364999012).

Almost surely, 2^729998023 is an apocalyptic number.

729998023 is a deficient number, since it is larger than the sum of its proper divisors (1).

729998023 is an equidigital number, since it uses as much as digits as its factorization.

729998023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 729998023 is about 27018.4755861614. The cubic root of 729998023 is about 900.4105217716.

The spelling of 729998023 in words is "seven hundred twenty-nine million, nine hundred ninety-eight thousand, twenty-three".