111320120323 has 2 divisors, whose sum is σ = 111320120324. Its totient is φ = 111320120322.

The previous prime is 111320120321. The next prime is 111320120339. The reversal of 111320120323 is 323021023111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111320120323 - 2¹ = 111320120321 is a prime.

Together with 111320120321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111320120323.

It is not a weakly prime, because it can be changed into another prime (111320120321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660060161 + 55660060162.

It is an arithmetic number, because the mean of its divisors is an integer number (55660060162).

Almost surely, 2^111320120323 is an apocalyptic number.

111320120323 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320120323 is an equidigital number, since it uses as much as digits as its factorization.

111320120323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111320120323 its reverse (323021023111), we get a palindrome (434341143434).

The spelling of 111320120323 in words is "one hundred eleven billion, three hundred twenty million, one hundred twenty thousand, three hundred twenty-three".