320111440300123 has 16 divisors (see below), whose sum is σ = 339519893870592. Its totient is φ = 301180545820000.

The previous prime is 320111440300117. The next prime is 320111440300133. The reversal of 320111440300123 is 321003044111023.

It is not a de Polignac number, because 320111440300123 - 2⁹ = 320111440299611 is a prime.

It is a super-2 number, since 2×320111440300123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320111440300103) 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, 226705228 + ... + 228112873.

It is an arithmetic number, because the mean of its divisors is an integer number (21219993366912).

Almost surely, 2^{320111440300123} is an apocalyptic number.

320111440300123 is a deficient number, since it is larger than the sum of its proper divisors (19408453570469).

320111440300123 is a wasteful number, since it uses less digits than its factorization.

320111440300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454818626.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 320111440300123 its reverse (321003044111023), we get a palindrome (641114484411146).

The spelling of 320111440300123 in words is "three hundred twenty trillion, one hundred eleven billion, four hundred forty million, three hundred thousand, one hundred twenty-three".