320434363 has 4 divisors (see below), whose sum is σ = 320497528. Its totient is φ = 320371200.

The previous prime is 320434357. The next prime is 320434399. The reversal of 320434363 is 363434023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320434363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320434313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23238 + ... + 34363.

It is an arithmetic number, because the mean of its divisors is an integer number (80124382).

Almost surely, 2^320434363 is an apocalyptic number.

320434363 is a deficient number, since it is larger than the sum of its proper divisors (63165).

320434363 is an equidigital number, since it uses as much as digits as its factorization.

320434363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63164.

The product of its (nonzero) digits is 15552, while the sum is 28.

The square root of 320434363 is about 17900.6805177904. The cubic root of 320434363 is about 684.2997180329.

Adding to 320434363 its reverse (363434023), we get a palindrome (683868386).

The spelling of 320434363 in words is "three hundred twenty million, four hundred thirty-four thousand, three hundred sixty-three".