111234023 has 2 divisors, whose sum is σ = 111234024. Its totient is φ = 111234022.

The previous prime is 111234017. The next prime is 111234031. The reversal of 111234023 is 320432111.

It is a weak prime.

It is an emirp because it is prime and its reverse (320432111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111234023 - 2⁶ = 111233959 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 111233992 and 111234010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111234073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55617011 + 55617012.

It is an arithmetic number, because the mean of its divisors is an integer number (55617012).

Almost surely, 2^111234023 is an apocalyptic number.

111234023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111234023 is an equidigital number, since it uses as much as digits as its factorization.

111234023 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 111234023 is about 10546.7541452335. The cubic root of 111234023 is about 480.9270610626.

Adding to 111234023 its reverse (320432111), we get a palindrome (431666134).

The spelling of 111234023 in words is "one hundred eleven million, two hundred thirty-four thousand, twenty-three".