305423312018 has 16 divisors (see below), whose sum is σ = 499814047584. Its totient is φ = 138820320960.

The previous prime is 305423311987. The next prime is 305423312071. The reversal of 305423312018 is 810213324503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46055 + ... + 782922.

It is an arithmetic number, because the mean of its divisors is an integer number (31238377974).

Almost surely, 2^305423312018 is an apocalyptic number.

305423312018 is a deficient number, since it is larger than the sum of its proper divisors (194390735566).

305423312018 is a wasteful number, since it uses less digits than its factorization.

305423312018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845737.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 305423312018 in words is "three hundred five billion, four hundred twenty-three million, three hundred twelve thousand, eighteen".