312311423003453 has 2 divisors, whose sum is σ = 312311423003454. Its totient is φ = 312311423003452.

The previous prime is 312311423003389. The next prime is 312311423003473. The reversal of 312311423003453 is 354300324113213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279149177386564 + 33162245616889 = 16707758^2 + 5758667^2 .

It is a cyclic number.

It is not a de Polignac number, because 312311423003453 - 2⁶ = 312311423003389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312311423003473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156155711501726 + 156155711501727.

It is an arithmetic number, because the mean of its divisors is an integer number (156155711501727).

Almost surely, 2^{312311423003453} is an apocalyptic number.

It is an amenable number.

312311423003453 is a deficient number, since it is larger than the sum of its proper divisors (1).

312311423003453 is an equidigital number, since it uses as much as digits as its factorization.

312311423003453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 312311423003453 its reverse (354300324113213), we get a palindrome (666611747116666).

The spelling of 312311423003453 in words is "three hundred twelve trillion, three hundred eleven billion, four hundred twenty-three million, three thousand, four hundred fifty-three".