320023250053 has 4 divisors (see below), whose sum is σ = 344640423148. Its totient is φ = 295406076960.

The previous prime is 320023250047. The next prime is 320023250083. The reversal of 320023250053 is 350052320023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 183254198724 + 136769051329 = 428082^2 + 369823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320023250053 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 (320023250083) by changing a digit.

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, 12308586528 + ... + 12308586553.

It is an arithmetic number, because the mean of its divisors is an integer number (86160105787).

Almost surely, 2^320023250053 is an apocalyptic number.

It is an amenable number.

320023250053 is a deficient number, since it is larger than the sum of its proper divisors (24617173095).

320023250053 is a wasteful number, since it uses less digits than its factorization.

320023250053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24617173094.

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 320023250053 its reverse (350052320023), we get a palindrome (670075570076).

The spelling of 320023250053 in words is "three hundred twenty billion, twenty-three million, two hundred fifty thousand, fifty-three".