320552343 has 16 divisors (see below), whose sum is σ = 475856640. Its totient is φ = 213267672.

The previous prime is 320552329. The next prime is 320552381. The reversal of 320552343 is 343255023.

It is not a de Polignac number, because 320552343 - 2⁴ = 320552327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320552383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1780 + ... + 25382.

It is an arithmetic number, because the mean of its divisors is an integer number (29741040).

Almost surely, 2^320552343 is an apocalyptic number.

320552343 is a deficient number, since it is larger than the sum of its proper divisors (155304297).

320552343 is a wasteful number, since it uses less digits than its factorization.

320552343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24115 (or 24109 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 320552343 is about 17903.9756199566. The cubic root of 320552343 is about 684.3836913139.

The spelling of 320552343 in words is "three hundred twenty million, five hundred fifty-two thousand, three hundred forty-three".