804231143 has 4 divisors (see below), whose sum is σ = 806549160. Its totient is φ = 801913128.

The previous prime is 804231101. The next prime is 804231163. The reversal of 804231143 is 341132408.

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 804231143 - 2²⁶ = 737122279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804231163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158488 + ... + 1159181.

It is an arithmetic number, because the mean of its divisors is an integer number (201637290).

Almost surely, 2^804231143 is an apocalyptic number.

804231143 is a deficient number, since it is larger than the sum of its proper divisors (2318017).

804231143 is a wasteful number, since it uses less digits than its factorization.

804231143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318016.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 804231143 is about 28358.9693571540. The cubic root of 804231143 is about 929.9514920550.

The spelling of 804231143 in words is "eight hundred four million, two hundred thirty-one thousand, one hundred forty-three".