804216723 has 16 divisors (see below), whose sum is σ = 1080414720. Its totient is φ = 532092416.

The previous prime is 804216709. The next prime is 804216733. The reversal of 804216723 is 327612408.

It is a cyclic number.

It is not a de Polignac number, because 804216723 - 2¹⁷ = 804085651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (804216733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609058 + ... + 610376.

It is an arithmetic number, because the mean of its divisors is an integer number (67525920).

Almost surely, 2^804216723 is an apocalyptic number.

804216723 is a deficient number, since it is larger than the sum of its proper divisors (276197997).

804216723 is a wasteful number, since it uses less digits than its factorization.

804216723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 804216723 is about 28358.7151154632. The cubic root of 804216723 is about 929.9459339595.

The spelling of 804216723 in words is "eight hundred four million, two hundred sixteen thousand, seven hundred twenty-three".