320423448 has 32 divisors (see below), whose sum is σ = 843220800. Its totient is φ = 101186208.

The previous prime is 320423443. The next prime is 320423449. The reversal of 320423448 is 844324023.

320423448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320423443) 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, 350886 + ... + 351797.

It is an arithmetic number, because the mean of its divisors is an integer number (26350650).

Almost surely, 2^320423448 is an apocalyptic number.

320423448 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

320423448 is an abundant number, since it is smaller than the sum of its proper divisors (522797352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320423448 is a wasteful number, since it uses less digits than its factorization.

320423448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702711 (or 702707 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 320423448 is about 17900.3756385166. The cubic root of 320423448 is about 684.2919481461.

The spelling of 320423448 in words is "three hundred twenty million, four hundred twenty-three thousand, four hundred forty-eight".