111230543 has 2 divisors, whose sum is σ = 111230544. Its totient is φ = 111230542.

The previous prime is 111230521. The next prime is 111230563. The reversal of 111230543 is 345032111.

It is an a-pointer prime, because the next prime (111230563) can be obtained adding 111230543 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111230543 - 2⁶ = 111230479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111230513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615271 + 55615272.

It is an arithmetic number, because the mean of its divisors is an integer number (55615272).

Almost surely, 2^111230543 is an apocalyptic number.

111230543 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230543 is an equidigital number, since it uses as much as digits as its factorization.

111230543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 111230543 is about 10546.5891642749. The cubic root of 111230543 is about 480.9220456798.

Adding to 111230543 its reverse (345032111), we get a palindrome (456262654).

The spelling of 111230543 in words is "one hundred eleven million, two hundred thirty thousand, five hundred forty-three".