1111232043 has 24 divisors (see below), whose sum is σ = 1692971280. Its totient is φ = 700427520.

The previous prime is 1111232029. The next prime is 1111232053. The reversal of 1111232043 is 3402321111.

It is not a de Polignac number, because 1111232043 - 2⁸ = 1111231787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111232053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82855 + ... + 95327.

It is an arithmetic number, because the mean of its divisors is an integer number (70540470).

Almost surely, 2^1111232043 is an apocalyptic number.

1111232043 is a deficient number, since it is larger than the sum of its proper divisors (581739237).

1111232043 is a wasteful number, since it uses less digits than its factorization.

1111232043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019 (or 13016 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1111232043 is about 33335.1472623116. The cubic root of 1111232043 is about 1035.7817436377.

Adding to 1111232043 its reverse (3402321111), we get a palindrome (4513553154).

The spelling of 1111232043 in words is "one billion, one hundred eleven million, two hundred thirty-two thousand, forty-three".