320123976488 has 32 divisors (see below), whose sum is σ = 603992228160. Its totient is φ = 159059635200.

The previous prime is 320123976439. The next prime is 320123976493. The reversal of 320123976488 is 884679321023.

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, 18770381 + ... + 18787427.

It is an arithmetic number, because the mean of its divisors is an integer number (18874757130).

Almost surely, 2^320123976488 is an apocalyptic number.

It is an amenable number.

320123976488 is a deficient number, since it is larger than the sum of its proper divisors (283868251672).

320123976488 is a wasteful number, since it uses less digits than its factorization.

320123976488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31617 (or 31613 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 320123976488 in words is "three hundred twenty billion, one hundred twenty-three million, nine hundred seventy-six thousand, four hundred eighty-eight".