320606823 has 8 divisors (see below), whose sum is σ = 431398000. Its totient is φ = 211776768.

The previous prime is 320606809. The next prime is 320606827. The reversal of 320606823 is 328606023.

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

It is not a de Polignac number, because 320606823 - 2⁴ = 320606807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320606827) 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 7 ways as a sum of consecutive naturals, for example, 489898 + ... + 490551.

It is an arithmetic number, because the mean of its divisors is an integer number (53924750).

Almost surely, 2^320606823 is an apocalyptic number.

320606823 is a deficient number, since it is larger than the sum of its proper divisors (110791177).

320606823 is a wasteful number, since it uses less digits than its factorization.

320606823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980561.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 320606823 is about 17905.4970051099. The cubic root of 320606823 is about 684.4224609691.

It can be divided in two parts, 32060 and 6823, that added together give a palindrome (38883).

The spelling of 320606823 in words is "three hundred twenty million, six hundred six thousand, eight hundred twenty-three".