111232123043 has 2 divisors, whose sum is σ = 111232123044. Its totient is φ = 111232123042.

The previous prime is 111232123001. The next prime is 111232123129. The reversal of 111232123043 is 340321232111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111232123043 - 2⁶ = 111232122979 is a prime.

It is a super-3 number, since 3×111232123043³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111232123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616061521 + 55616061522.

It is an arithmetic number, because the mean of its divisors is an integer number (55616061522).

Almost surely, 2^111232123043 is an apocalyptic number.

111232123043 is a deficient number, since it is larger than the sum of its proper divisors (1).

111232123043 is an equidigital number, since it uses as much as digits as its factorization.

111232123043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111232123043 its reverse (340321232111), we get a palindrome (451553355154).

The spelling of 111232123043 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred twenty-three thousand, forty-three".