320187572342 has 8 divisors (see below), whose sum is σ = 523943300232. Its totient is φ = 145539805600.

The previous prime is 320187572339. The next prime is 320187572351. The reversal of 320187572342 is 243275781023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320187572293 and 320187572302.

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 3 ways as a sum of consecutive naturals, for example, 7276990259 + ... + 7276990302.

It is an arithmetic number, because the mean of its divisors is an integer number (65492912529).

Almost surely, 2^320187572342 is an apocalyptic number.

320187572342 is a deficient number, since it is larger than the sum of its proper divisors (203755727890).

320187572342 is a wasteful number, since it uses less digits than its factorization.

320187572342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553980574.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 320187572342 in words is "three hundred twenty billion, one hundred eighty-seven million, five hundred seventy-two thousand, three hundred forty-two".