320255243 has 32 divisors (see below), whose sum is σ = 423014400. Its totient is φ = 235049760.

The previous prime is 320255237. The next prime is 320255263. The reversal of 320255243 is 342552023.

It is not a de Polignac number, because 320255243 - 2¹⁶ = 320189707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320255213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117308 + ... + 120006.

It is an arithmetic number, because the mean of its divisors is an integer number (13219200).

Almost surely, 2^320255243 is an apocalyptic number.

320255243 is a deficient number, since it is larger than the sum of its proper divisors (102759157).

320255243 is a wasteful number, since it uses less digits than its factorization.

320255243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 320255243 is about 17895.6766566677. The cubic root of 320255243 is about 684.1721884194.

The spelling of 320255243 in words is "three hundred twenty million, two hundred fifty-five thousand, two hundred forty-three".