320111111023 has 8 divisors (see below), whose sum is σ = 349241096016. Its totient is φ = 290985955200.

The previous prime is 320111110981. The next prime is 320111111027.

It is a happy number.

320111111023 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320111111023 is a prime.

It is a super-2 number, since 2×320111111023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320111110988 and 320111111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320111111027) 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, 1067988 + ... + 1334473.

It is an arithmetic number, because the mean of its divisors is an integer number (43655137002).

Almost surely, 2^320111111023 is an apocalyptic number.

320111111023 is a deficient number, since it is larger than the sum of its proper divisors (29129984993).

320111111023 is a wasteful number, since it uses less digits than its factorization.

320111111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414585.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 320111 and 111023, that added together give a palindrome (431134).

The spelling of 320111111023 in words is "three hundred twenty billion, one hundred eleven million, one hundred eleven thousand, twenty-three".