312345505453 has 2 divisors, whose sum is σ = 312345505454. Its totient is φ = 312345505452.

The previous prime is 312345505447. The next prime is 312345505471. The reversal of 312345505453 is 354505543213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277167502089 + 35178003364 = 526467^2 + 187558^2 .

It is a cyclic number.

It is not a de Polignac number, because 312345505453 - 2¹⁷ = 312345374381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312345509453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156172752726 + 156172752727.

It is an arithmetic number, because the mean of its divisors is an integer number (156172752727).

Almost surely, 2^312345505453 is an apocalyptic number.

It is an amenable number.

312345505453 is a deficient number, since it is larger than the sum of its proper divisors (1).

312345505453 is an equidigital number, since it uses as much as digits as its factorization.

312345505453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 312345505453 in words is "three hundred twelve billion, three hundred forty-five million, five hundred five thousand, four hundred fifty-three".