320104124553 has 4 divisors (see below), whose sum is σ = 426805499408. Its totient is φ = 213402749700.

The previous prime is 320104124551. The next prime is 320104124563. The reversal of 320104124553 is 355421401023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320104124553 - 2¹ = 320104124551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320104124553.

It is not an unprimeable number, because it can be changed into a prime (320104124551) 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, 53350687423 + ... + 53350687428.

It is an arithmetic number, because the mean of its divisors is an integer number (106701374852).

Almost surely, 2^320104124553 is an apocalyptic number.

It is an amenable number.

320104124553 is a deficient number, since it is larger than the sum of its proper divisors (106701374855).

320104124553 is a wasteful number, since it uses less digits than its factorization.

320104124553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106701374854.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 320104124553 its reverse (355421401023), we get a palindrome (675525525576).

The spelling of 320104124553 in words is "three hundred twenty billion, one hundred four million, one hundred twenty-four thousand, five hundred fifty-three".