320523555452 has 96 divisors (see below), whose sum is σ = 596255385600. Its totient is φ = 150572210688.

The previous prime is 320523555377. The next prime is 320523555463. The reversal of 320523555452 is 254555325023.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 170581049 + ... + 170582927.

It is an arithmetic number, because the mean of its divisors is an integer number (6210993600).

Almost surely, 2^320523555452 is an apocalyptic number.

It is an amenable number.

320523555452 is a deficient number, since it is larger than the sum of its proper divisors (275731830148).

320523555452 is a wasteful number, since it uses less digits than its factorization.

320523555452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 320523555452 in words is "three hundred twenty billion, five hundred twenty-three million, five hundred fifty-five thousand, four hundred fifty-two".