320352043 has 4 divisors (see below), whose sum is σ = 349474968. Its totient is φ = 291229120.

The previous prime is 320352013. The next prime is 320352059. The reversal of 320352043 is 340253023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320352043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320352013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14561446 + ... + 14561467.

It is an arithmetic number, because the mean of its divisors is an integer number (87368742).

Almost surely, 2^320352043 is an apocalyptic number.

320352043 is a deficient number, since it is larger than the sum of its proper divisors (29122925).

320352043 is a wasteful number, since it uses less digits than its factorization.

320352043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29122924.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 320352043 is about 17898.3810161701. The cubic root of 320352043 is about 684.2411138549.

The spelling of 320352043 in words is "three hundred twenty million, three hundred fifty-two thousand, forty-three".