320348743 has 8 divisors (see below), whose sum is σ = 376353936. Its totient is φ = 268824000.

The previous prime is 320348723. The next prime is 320348783. The reversal of 320348743 is 347843023.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320348743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320348699 and 320348708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320348723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119958 + ... + 1120243.

It is an arithmetic number, because the mean of its divisors is an integer number (47044242).

Almost surely, 2^320348743 is an apocalyptic number.

320348743 is a deficient number, since it is larger than the sum of its proper divisors (56005193).

320348743 is a wasteful number, since it uses less digits than its factorization.

320348743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240225.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 320348743 is about 17898.2888288238. The cubic root of 320348743 is about 684.2387643528.

The spelling of 320348743 in words is "three hundred twenty million, three hundred forty-eight thousand, seven hundred forty-three".