320241312123 has 4 divisors (see below), whose sum is σ = 426988416168. Its totient is φ = 213494208080.

The previous prime is 320241312121. The next prime is 320241312137. The reversal of 320241312123 is 321213142023.

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 320241312123 - 2¹ = 320241312121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320241312093 and 320241312102.

It is not an unprimeable number, because it can be changed into a prime (320241312121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53373552018 + ... + 53373552023.

It is an arithmetic number, because the mean of its divisors is an integer number (106747104042).

Almost surely, 2^320241312123 is an apocalyptic number.

320241312123 is a deficient number, since it is larger than the sum of its proper divisors (106747104045).

320241312123 is a wasteful number, since it uses less digits than its factorization.

320241312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106747104044.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 320241312123 its reverse (321213142023), we get a palindrome (641454454146).

The spelling of 320241312123 in words is "three hundred twenty billion, two hundred forty-one million, three hundred twelve thousand, one hundred twenty-three".