320244243 has 8 divisors (see below), whose sum is σ = 465809856. Its totient is φ = 194087400.

The previous prime is 320244209. The next prime is 320244251. The reversal of 320244243 is 342442023.

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

It is not a de Polignac number, because 320244243 - 2¹⁶ = 320178707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320244143) 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, 4852153 + ... + 4852218.

It is an arithmetic number, because the mean of its divisors is an integer number (58226232).

Almost surely, 2^320244243 is an apocalyptic number.

320244243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320244243 is a deficient number, since it is larger than the sum of its proper divisors (145565613).

320244243 is a wasteful number, since it uses less digits than its factorization.

320244243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9704385.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 320244243 is about 17895.3693172284. The cubic root of 320244243 is about 684.1643551048.

Adding to 320244243 its reverse (342442023), we get a palindrome (662686266).

The spelling of 320244243 in words is "three hundred twenty million, two hundred forty-four thousand, two hundred forty-three".