320230053533 has 4 divisors (see below), whose sum is σ = 344863134588. Its totient is φ = 295596972480.

The previous prime is 320230053523. The next prime is 320230053587. The reversal of 320230053533 is 335350032023.

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: 335350032023 = 37 ⋅9063514379.

It can be written as a sum of positive squares in 2 ways, for example, as 18831249529 + 301398804004 = 137227^2 + 548998^2 .

It is a cyclic number.

It is not a de Polignac number, because 320230053533 - 2⁸ = 320230053277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320230053496 and 320230053505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320230053523) 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, 12316540508 + ... + 12316540533.

It is an arithmetic number, because the mean of its divisors is an integer number (86215783647).

Almost surely, 2^320230053533 is an apocalyptic number.

It is an amenable number.

320230053533 is a deficient number, since it is larger than the sum of its proper divisors (24633081055).

320230053533 is a wasteful number, since it uses less digits than its factorization.

320230053533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24633081054.

The product of its (nonzero) digits is 24300, while the sum is 29.

Adding to 320230053533 its reverse (335350032023), we get a palindrome (655580085556).

The spelling of 320230053533 in words is "three hundred twenty billion, two hundred thirty million, fifty-three thousand, five hundred thirty-three".