404313143 has 8 divisors (see below), whose sum is σ = 435640128. Its totient is φ = 373018464.

The previous prime is 404313043. The next prime is 404313163. The reversal of 404313143 is 341313404.

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

It is not a de Polignac number, because 404313143 - 2¹² = 404309047 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 (404313163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22130 + ... + 36032.

It is an arithmetic number, because the mean of its divisors is an integer number (54455016).

Almost surely, 2^404313143 is an apocalyptic number.

404313143 is a deficient number, since it is larger than the sum of its proper divisors (31326985).

404313143 is a wasteful number, since it uses less digits than its factorization.

404313143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16153.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 404313143 is about 20107.5394566317. The cubic root of 404313143 is about 739.4451300681.

Adding to 404313143 its reverse (341313404), we get a palindrome (745626547).

The spelling of 404313143 in words is "four hundred four million, three hundred thirteen thousand, one hundred forty-three".