312403143424399 has 2 divisors, whose sum is σ = 312403143424400. Its totient is φ = 312403143424398.

The previous prime is 312403143424373. The next prime is 312403143424433. The reversal of 312403143424399 is 993424341304213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312403143424399 - 2¹¹ = 312403143422351 is a prime.

It is a super-2 number, since 2×312403143424399² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312403143422399) 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 as a sum of consecutive naturals, namely, 156201571712199 + 156201571712200.

It is an arithmetic number, because the mean of its divisors is an integer number (156201571712200).

Almost surely, 2^{312403143424399} is an apocalyptic number.

312403143424399 is a deficient number, since it is larger than the sum of its proper divisors (1).

312403143424399 is an equidigital number, since it uses as much as digits as its factorization.

312403143424399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 312403143424399 in words is "three hundred twelve trillion, four hundred three billion, one hundred forty-three million, four hundred twenty-four thousand, three hundred ninety-nine".