320423043 has 8 divisors (see below), whose sum is σ = 427656528. Its totient is φ = 213402464.

The previous prime is 320423029. The next prime is 320423053. The reversal of 320423043 is 340324023.

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

It is a cyclic number.

It is not a de Polignac number, because 320423043 - 2¹³ = 320414851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320423023) 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, 49680 + ... + 55757.

It is an arithmetic number, because the mean of its divisors is an integer number (53457066).

Almost surely, 2^320423043 is an apocalyptic number.

320423043 is a deficient number, since it is larger than the sum of its proper divisors (107233485).

320423043 is a wasteful number, since it uses less digits than its factorization.

320423043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106453.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 320423043 is about 17900.3643259013. The cubic root of 320423043 is about 684.2916598418.

Adding to 320423043 its reverse (340324023), we get a palindrome (660747066).

The spelling of 320423043 in words is "three hundred twenty million, four hundred twenty-three thousand, forty-three".