726230723 has 4 divisors (see below), whose sum is σ = 726424608. Its totient is φ = 726036840.

The previous prime is 726230719. The next prime is 726230737. The reversal of 726230723 is 327032627.

726230723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726230723 - 2² = 726230719 is a prime.

It is a super-2 number, since 2×726230723² = 1054822126058205458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 726230723.

It is not an unprimeable number, because it can be changed into a prime (726230623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91211 + ... + 98852.

It is an arithmetic number, because the mean of its divisors is an integer number (181606152).

Almost surely, 2^726230723 is an apocalyptic number.

726230723 is a deficient number, since it is larger than the sum of its proper divisors (193885).

726230723 is a wasteful number, since it uses less digits than its factorization.

726230723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193884.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 726230723 is about 26948.6682973389. The cubic root of 726230723 is about 898.8589337443.

The spelling of 726230723 in words is "seven hundred twenty-six million, two hundred thirty thousand, seven hundred twenty-three".