315223215543 has 8 divisors (see below), whose sum is σ = 466997356400. Its totient is φ = 210148810344.

The previous prime is 315223215493. The next prime is 315223215563. The reversal of 315223215543 is 345512322513.

315223215543 is a `hidden beast` number, since 31 + 52 + 2 + 3 + 21 + 554 + 3 = 666.

It is not a de Polignac number, because 315223215543 - 2¹⁶ = 315223150007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315223215498 and 315223215507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315223215563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5837466928 + ... + 5837466981.

It is an arithmetic number, because the mean of its divisors is an integer number (58374669550).

Almost surely, 2^315223215543 is an apocalyptic number.

315223215543 is a deficient number, since it is larger than the sum of its proper divisors (151774140857).

315223215543 is a wasteful number, since it uses less digits than its factorization.

315223215543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11674933918 (or 11674933912 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The spelling of 315223215543 in words is "three hundred fifteen billion, two hundred twenty-three million, two hundred fifteen thousand, five hundred forty-three".