320231532153223 has 4 divisors (see below), whose sum is σ = 320250310774168. Its totient is φ = 320212753532280.

The previous prime is 320231532153209. The next prime is 320231532153227. The reversal of 320231532153223 is 322351235132023.

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

It is a cyclic number.

It is not a de Polignac number, because 320231532153223 - 2³³ = 320222942218631 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 (320231532153227) 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, 9389284893 + ... + 9389318998.

It is an arithmetic number, because the mean of its divisors is an integer number (80062577693542).

Almost surely, 2^{320231532153223} is an apocalyptic number.

320231532153223 is a deficient number, since it is larger than the sum of its proper divisors (18778620945).

320231532153223 is a wasteful number, since it uses less digits than its factorization.

320231532153223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778620944.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 320231532153223 its reverse (322351235132023), we get a palindrome (642582767285246).

The spelling of 320231532153223 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred thirty-two million, one hundred fifty-three thousand, two hundred twenty-three".