320463355 has 4 divisors (see below), whose sum is σ = 384556032. Its totient is φ = 256370680.

The previous prime is 320463331. The next prime is 320463371. The reversal of 320463355 is 553364023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553364023 = 347 ⋅1594709.

It is not a de Polignac number, because 320463355 - 2¹¹ = 320461307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32046331 + ... + 32046340.

It is an arithmetic number, because the mean of its divisors is an integer number (96139008).

Almost surely, 2^320463355 is an apocalyptic number.

320463355 is a deficient number, since it is larger than the sum of its proper divisors (64092677).

320463355 is an equidigital number, since it uses as much as digits as its factorization.

320463355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64092676.

The product of its (nonzero) digits is 32400, while the sum is 31.

The square root of 320463355 is about 17901.4903010895. The cubic root of 320463355 is about 684.3203552486.

The spelling of 320463355 in words is "three hundred twenty million, four hundred sixty-three thousand, three hundred fifty-five".