320304151123 has 16 divisors (see below), whose sum is σ = 367834579200. Its totient is φ = 275844134880.

The previous prime is 320304151099. The next prime is 320304151157. The reversal of 320304151123 is 321151403023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320304151123 - 2¹³ = 320304142931 is a prime.

It is a super-2 number, since 2×320304151123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320304151523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4924965 + ... + 4989577.

It is an arithmetic number, because the mean of its divisors is an integer number (22989661200).

Almost surely, 2^320304151123 is an apocalyptic number.

320304151123 is a deficient number, since it is larger than the sum of its proper divisors (47530428077).

320304151123 is a wasteful number, since it uses less digits than its factorization.

320304151123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88362.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 320304151123 its reverse (321151403023), we get a palindrome (641455554146).

The spelling of 320304151123 in words is "three hundred twenty billion, three hundred four million, one hundred fifty-one thousand, one hundred twenty-three".