323303120323013 has 4 divisors (see below), whose sum is σ = 323305375005228. Its totient is φ = 323300865640800.

The previous prime is 323303120323003. The next prime is 323303120323033. The reversal of 323303120323013 is 310323021303323.

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 159089736634084 + 164213383688929 = 12613078^2 + 12814577^2 .

It is a cyclic number.

It is not a de Polignac number, because 323303120323013 - 2²² = 323303116128709 is a prime.

It is a super-2 number, since 2×323303120323013² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323303120323003) 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, 1127126006 + ... + 1127412807.

It is an arithmetic number, because the mean of its divisors is an integer number (80826343751307).

Almost surely, 2^{323303120323013} is an apocalyptic number.

It is an amenable number.

323303120323013 is a deficient number, since it is larger than the sum of its proper divisors (2254682215).

323303120323013 is a wasteful number, since it uses less digits than its factorization.

323303120323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254682214.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 323303120323013 its reverse (310323021303323), we get a palindrome (633626141626336).

The spelling of 323303120323013 in words is "three hundred twenty-three trillion, three hundred three billion, one hundred twenty million, three hundred twenty-three thousand, thirteen".