312003201323 has 4 divisors (see below), whose sum is σ = 340367128728. Its totient is φ = 283639273920.

The previous prime is 312003201311. The next prime is 312003201331. The reversal of 312003201323 is 323102300213.

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 312003201323 - 2⁶ = 312003201259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312003201295 and 312003201304.

It is not an unprimeable number, because it can be changed into a prime (312003201343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14181963686 + ... + 14181963707.

It is an arithmetic number, because the mean of its divisors is an integer number (85091782182).

Almost surely, 2^312003201323 is an apocalyptic number.

312003201323 is a deficient number, since it is larger than the sum of its proper divisors (28363927405).

312003201323 is a wasteful number, since it uses less digits than its factorization.

312003201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28363927404.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312003201323 its reverse (323102300213), we get a palindrome (635105501536).

The spelling of 312003201323 in words is "three hundred twelve billion, three million, two hundred one thousand, three hundred twenty-three".