323020425555 has 64 divisors (see below), whose sum is σ = 575846467200. Its totient is φ = 171801907200.

The previous prime is 323020425523. The next prime is 323020425571. The reversal of 323020425555 is 555524020323.

323020425555 is a `hidden beast` number, since 32 + 30 + 2 + 0 + 42 + 5 + 555 = 666.

It is not a de Polignac number, because 323020425555 - 2⁵ = 323020425523 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100035681 + ... + 100038909.

It is an arithmetic number, because the mean of its divisors is an integer number (8997601050).

Almost surely, 2^323020425555 is an apocalyptic number.

323020425555 is a deficient number, since it is larger than the sum of its proper divisors (252826041645).

323020425555 is a wasteful number, since it uses less digits than its factorization.

323020425555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 323020425555 its reverse (555524020323), we get a palindrome (878544445878).

The spelling of 323020425555 in words is "three hundred twenty-three billion, twenty million, four hundred twenty-five thousand, five hundred fifty-five".