312343300023440 has 160 divisors (see below), whose sum is σ = 866036728958976. Its totient is φ = 102431712683520.

The previous prime is 312343300023367. The next prime is 312343300023481. The reversal of 312343300023440 is 44320003343213.

It is a junction number, because it is equal to n+sod(n) for n = 312343300023397 and 312343300023406.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1507410245 + ... + 1507617435.

Almost surely, 2^{312343300023440} is an apocalyptic number.

It is an amenable number.

312343300023440 is an abundant number, since it is smaller than the sum of its proper divisors (553693428935536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312343300023440 is a wasteful number, since it uses less digits than its factorization.

312343300023440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324277 (or 324271 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 312343300023440 its reverse (44320003343213), we get a palindrome (356663303366653).

The spelling of 312343300023440 in words is "three hundred twelve trillion, three hundred forty-three billion, three hundred million, twenty-three thousand, four hundred forty".