728230623 has 8 divisors (see below), whose sum is σ = 1013190528. Its totient is φ = 464378904.

The previous prime is 728230603. The next prime is 728230631. The reversal of 728230623 is 326032827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728230623 - 2⁸ = 728230367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728230603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5276965 + ... + 5277102.

It is an arithmetic number, because the mean of its divisors is an integer number (126648816).

Almost surely, 2^728230623 is an apocalyptic number.

728230623 is a deficient number, since it is larger than the sum of its proper divisors (284959905).

728230623 is a wasteful number, since it uses less digits than its factorization.

728230623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554093.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 728230623 is about 26985.7485165782. The cubic root of 728230623 is about 899.6832725011.

The spelling of 728230623 in words is "seven hundred twenty-eight million, two hundred thirty thousand, six hundred twenty-three".