320423211 has 6 divisors (see below), whose sum is σ = 462833540. Its totient is φ = 213615468.

The previous prime is 320423209. The next prime is 320423251. The reversal of 320423211 is 112324023.

320423211 is a `hidden beast` number, since 32 + 0 + 423 + 211 = 666.

It is not a de Polignac number, because 320423211 - 2¹ = 320423209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320423251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17801281 + ... + 17801298.

Almost surely, 2^320423211 is an apocalyptic number.

320423211 is a deficient number, since it is larger than the sum of its proper divisors (142410329).

320423211 is a wasteful number, since it uses less digits than its factorization.

320423211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35602585 (or 35602582 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 320423211 is about 17900.3690185426. The cubic root of 320423211 is about 684.2917794347.

Adding to 320423211 its reverse (112324023), we get a palindrome (432747234).

It can be divided in two parts, 32042 and 3211, that added together give a palindrome (35253).

The spelling of 320423211 in words is "three hundred twenty million, four hundred twenty-three thousand, two hundred eleven".