111320423 has 2 divisors, whose sum is σ = 111320424. Its totient is φ = 111320422.

The previous prime is 111320381. The next prime is 111320467. The reversal of 111320423 is 324023111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111320423 - 2¹⁰ = 111319399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111320123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660211 + 55660212.

It is an arithmetic number, because the mean of its divisors is an integer number (55660212).

Almost surely, 2^111320423 is an apocalyptic number.

111320423 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320423 is an equidigital number, since it uses as much as digits as its factorization.

111320423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 111320423 is about 10550.8493970865. The cubic root of 111320423 is about 481.0515473879.

Adding to 111320423 its reverse (324023111), we get a palindrome (435343534).

The spelling of 111320423 in words is "one hundred eleven million, three hundred twenty thousand, four hundred twenty-three".