804728523 has 8 divisors (see below), whose sum is σ = 1086553600. Its totient is φ = 529694568.

The previous prime is 804728497. The next prime is 804728539. The reversal of 804728523 is 325827408.

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

It is not a de Polignac number, because 804728523 - 2⁶ = 804728459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804728563) 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, 1697503 + ... + 1697976.

It is an arithmetic number, because the mean of its divisors is an integer number (135819200).

Almost surely, 2^804728523 is an apocalyptic number.

804728523 is a deficient number, since it is larger than the sum of its proper divisors (281825077).

804728523 is a wasteful number, since it uses less digits than its factorization.

804728523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395561.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 804728523 is about 28367.7373613054. The cubic root of 804728523 is about 930.1431632998.

The spelling of 804728523 in words is "eight hundred four million, seven hundred twenty-eight thousand, five hundred twenty-three".