312456404453 has 2 divisors, whose sum is σ = 312456404454. Its totient is φ = 312456404452.

The previous prime is 312456404431. The next prime is 312456404503. The reversal of 312456404453 is 354404654213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306170768929 + 6285635524 = 553327^2 + 79282^2 .

It is a cyclic number.

It is not a de Polignac number, because 312456404453 - 2⁶ = 312456404389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312456404453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312456404053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156228202226 + 156228202227.

It is an arithmetic number, because the mean of its divisors is an integer number (156228202227).

Almost surely, 2^312456404453 is an apocalyptic number.

It is an amenable number.

312456404453 is a deficient number, since it is larger than the sum of its proper divisors (1).

312456404453 is an equidigital number, since it uses as much as digits as its factorization.

312456404453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 312456404453 in words is "three hundred twelve billion, four hundred fifty-six million, four hundred four thousand, four hundred fifty-three".