320211023 has 8 divisors (see below), whose sum is σ = 354535680. Its totient is φ = 286755480.

The previous prime is 320211013. The next prime is 320211041. The reversal of 320211023 is 320112023.

It is a happy number.

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

It is not a de Polignac number, because 320211023 - 2⁴ = 320211007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320210989 and 320211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320211013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216503 + ... + 217976.

It is an arithmetic number, because the mean of its divisors is an integer number (44316960).

Almost surely, 2^320211023 is an apocalyptic number.

320211023 is a deficient number, since it is larger than the sum of its proper divisors (34324657).

320211023 is a wasteful number, since it uses less digits than its factorization.

320211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434557.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320211023 is about 17894.4411200797. The cubic root of 320211023 is about 684.1406974057.

Adding to 320211023 its reverse (320112023), we get a palindrome (640323046).

The spelling of 320211023 in words is "three hundred twenty million, two hundred eleven thousand, twenty-three".