312403314123143 has 32 divisors (see below), whose sum is σ = 331793299031040. Its totient is φ = 293741399669760.

The previous prime is 312403314123137. The next prime is 312403314123193. The reversal of 312403314123143 is 341321413304213.

It is a cyclic number.

It is not a de Polignac number, because 312403314123143 - 2¹⁶ = 312403314057607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312403314123133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511906358 + ... + 512516268.

It is an arithmetic number, because the mean of its divisors is an integer number (10368540594720).

Almost surely, 2^{312403314123143} is an apocalyptic number.

312403314123143 is a deficient number, since it is larger than the sum of its proper divisors (19389984907897).

312403314123143 is a wasteful number, since it uses less digits than its factorization.

312403314123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613407.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 312403314123143 its reverse (341321413304213), we get a palindrome (653724727427356).

The spelling of 312403314123143 in words is "three hundred twelve trillion, four hundred three billion, three hundred fourteen million, one hundred twenty-three thousand, one hundred forty-three".