320133121212323 has 4 divisors (see below), whose sum is σ = 320134621236600. Its totient is φ = 320131621188048.

The previous prime is 320133121212319. The next prime is 320133121212391. The reversal of 320133121212323 is 323212121331023.

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 320133121212323 - 2² = 320133121212319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320133121212623) 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, 749691965 + ... + 750118862.

It is an arithmetic number, because the mean of its divisors is an integer number (80033655309150).

Almost surely, 2^{320133121212323} is an apocalyptic number.

320133121212323 is a deficient number, since it is larger than the sum of its proper divisors (1500024277).

320133121212323 is a wasteful number, since it uses less digits than its factorization.

320133121212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500024276.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 320133121212323 its reverse (323212121331023), we get a palindrome (643345242543346).

The spelling of 320133121212323 in words is "three hundred twenty trillion, one hundred thirty-three billion, one hundred twenty-one million, two hundred twelve thousand, three hundred twenty-three".