320453523005 has 64 divisors (see below), whose sum is σ = 509132390400. Its totient is φ = 187574123520.

The previous prime is 320453522899. The next prime is 320453523037. The reversal of 320453523005 is 500325354023.

It is not a de Polignac number, because 320453523005 - 2⁸ = 320453522749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 632756 + ... + 1020434.

It is an arithmetic number, because the mean of its divisors is an integer number (7955193600).

Almost surely, 2^320453523005 is an apocalyptic number.

320453523005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320453523005 is a deficient number, since it is larger than the sum of its proper divisors (188678867395).

320453523005 is a wasteful number, since it uses less digits than its factorization.

320453523005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387834.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 320453523005 its reverse (500325354023), we get a palindrome (820778877028).

The spelling of 320453523005 in words is "three hundred twenty billion, four hundred fifty-three million, five hundred twenty-three thousand, five".