312001240205323 has 8 divisors (see below), whose sum is σ = 314812459185408. Its totient is φ = 309190900980864.

The previous prime is 312001240205321. The next prime is 312001240205327. The reversal of 312001240205323 is 323502042100213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312001240205323 - 2¹ = 312001240205321 is a prime.

It is a super-2 number, since 2×312001240205323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312001240205291 and 312001240205300.

It is not an unprimeable number, because it can be changed into a prime (312001240205321) 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 7 ways as a sum of consecutive naturals, for example, 219226411 + ... + 220645012.

It is an arithmetic number, because the mean of its divisors is an integer number (39351557398176).

Almost surely, 2^{312001240205323} is an apocalyptic number.

312001240205323 is a deficient number, since it is larger than the sum of its proper divisors (2811218980085).

312001240205323 is a wasteful number, since it uses less digits than its factorization.

312001240205323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439877813.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 312001240205323 its reverse (323502042100213), we get a palindrome (635503282305536).

The spelling of 312001240205323 in words is "three hundred twelve trillion, one billion, two hundred forty million, two hundred five thousand, three hundred twenty-three".