320423183 has 2 divisors, whose sum is σ = 320423184. Its totient is φ = 320423182.

The previous prime is 320423153. The next prime is 320423209. The reversal of 320423183 is 381324023.

It is an a-pointer prime, because the next prime (320423209) can be obtained adding 320423183 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (381324023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320423183 - 2⁶ = 320423119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320423113) 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 as a sum of consecutive naturals, namely, 160211591 + 160211592.

It is an arithmetic number, because the mean of its divisors is an integer number (160211592).

Almost surely, 2^320423183 is an apocalyptic number.

320423183 is a deficient number, since it is larger than the sum of its proper divisors (1).

320423183 is an equidigital number, since it uses as much as digits as its factorization.

320423183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 320423183 is about 17900.3682364358. The cubic root of 320423183 is about 684.2917595026.

The spelling of 320423183 in words is "three hundred twenty million, four hundred twenty-three thousand, one hundred eighty-three".