320023100111 has 16 divisors (see below), whose sum is σ = 384714718080. Its totient is φ = 262305479520.

The previous prime is 320023100107. The next prime is 320023100123. The reversal of 320023100111 is 111001320023.

It is a cyclic number.

It is not a de Polignac number, because 320023100111 - 2² = 320023100107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320023100611) 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, 26016221 + ... + 26028518.

It is an arithmetic number, because the mean of its divisors is an integer number (24044669880).

Almost surely, 2^320023100111 is an apocalyptic number.

320023100111 is a deficient number, since it is larger than the sum of its proper divisors (64691617969).

320023100111 is a wasteful number, since it uses less digits than its factorization.

320023100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52044806.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 320023100111 its reverse (111001320023), we get a palindrome (431024420134).

The spelling of 320023100111 in words is "three hundred twenty billion, twenty-three million, one hundred thousand, one hundred eleven".