403204343 has 4 divisors (see below), whose sum is σ = 403290000. Its totient is φ = 403118688.

The previous prime is 403204309. The next prime is 403204357. The reversal of 403204343 is 343402304.

It is a happy number.

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 403204343 - 2⁶ = 403204279 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 (403204303) 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 3 ways as a sum of consecutive naturals, for example, 35330 + ... + 45327.

It is an arithmetic number, because the mean of its divisors is an integer number (100822500).

Almost surely, 2^403204343 is an apocalyptic number.

403204343 is a deficient number, since it is larger than the sum of its proper divisors (85657).

403204343 is an equidigital number, since it uses as much as digits as its factorization.

403204343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85656.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 403204343 is about 20079.9487798152. The cubic root of 403204343 is about 738.7685526666.

Adding to 403204343 its reverse (343402304), we get a palindrome (746606647).

The spelling of 403204343 in words is "four hundred three million, two hundred four thousand, three hundred forty-three".