201313312323 has 4 divisors (see below), whose sum is σ = 268417749768. Its totient is φ = 134208874880.

The previous prime is 201313312297. The next prime is 201313312337. The reversal of 201313312323 is 323213313102.

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 201313312323 - 2⁶ = 201313312259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201313312293 and 201313312302.

It is not an unprimeable number, because it can be changed into a prime (201313312393) 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, 33552218718 + ... + 33552218723.

It is an arithmetic number, because the mean of its divisors is an integer number (67104437442).

Almost surely, 2^201313312323 is an apocalyptic number.

201313312323 is a deficient number, since it is larger than the sum of its proper divisors (67104437445).

201313312323 is an equidigital number, since it uses as much as digits as its factorization.

201313312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67104437444.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 201313312323 its reverse (323213313102), we get a palindrome (524526625425).

The spelling of 201313312323 in words is "two hundred one billion, three hundred thirteen million, three hundred twelve thousand, three hundred twenty-three".