197153423447308 has 24 divisors (see below), whose sum is σ = 349905266290944. Its totient is φ = 97180707363600.

The previous prime is 197153423447293. The next prime is 197153423447317. The reversal of 197153423447308 is 803744324351791.

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, 23503710 + ... + 30768997.

It is an arithmetic number, because the mean of its divisors is an integer number (14579386095456).

Almost surely, 2^{197153423447308} is an apocalyptic number.

It is an amenable number.

197153423447308 is a deficient number, since it is larger than the sum of its proper divisors (152751842843636).

197153423447308 is a wasteful number, since it uses less digits than its factorization.

197153423447308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54285573 (or 54285571 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 197153423447308 in words is "one hundred ninety-seven trillion, one hundred fifty-three billion, four hundred twenty-three million, four hundred forty-seven thousand, three hundred eight".