320233123 has 4 divisors (see below), whose sum is σ = 365980720. Its totient is φ = 274485528.

The previous prime is 320233091. The next prime is 320233139. The reversal of 320233123 is 321332023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320233123 - 2⁵ = 320233091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320233123.

It is not an unprimeable number, because it can be changed into a prime (320233183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22873788 + ... + 22873801.

It is an arithmetic number, because the mean of its divisors is an integer number (91495180).

Almost surely, 2^320233123 is an apocalyptic number.

320233123 is a deficient number, since it is larger than the sum of its proper divisors (45747597).

320233123 is an equidigital number, since it uses as much as digits as its factorization.

320233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45747596.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 320233123 is about 17895.0586196302. The cubic root of 320233123 is about 684.1564361535.

Adding to 320233123 its reverse (321332023), we get a palindrome (641565146).

It can be divided in two parts, 320233 and 123, that added together give a square (320356 = 566²).

The spelling of 320233123 in words is "three hundred twenty million, two hundred thirty-three thousand, one hundred twenty-three".