320233123013 has 4 divisors (see below), whose sum is σ = 320241114060. Its totient is φ = 320225131968.

The previous prime is 320233122977. The next prime is 320233123051. The reversal of 320233123013 is 310321332023.

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 134133202564 + 186099920449 = 366242^2 + 431393^2 .

It is a cyclic number.

It is not a de Polignac number, because 320233123013 - 2¹⁴ = 320233106629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320233123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320233123213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935108 + ... + 4015661.

It is an arithmetic number, because the mean of its divisors is an integer number (80060278515).

Almost surely, 2^320233123013 is an apocalyptic number.

It is an amenable number.

320233123013 is a deficient number, since it is larger than the sum of its proper divisors (7991047).

320233123013 is an equidigital number, since it uses as much as digits as its factorization.

320233123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991046.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 320233123013 its reverse (310321332023), we get a palindrome (630554455036).

The spelling of 320233123013 in words is "three hundred twenty billion, two hundred thirty-three million, one hundred twenty-three thousand, thirteen".