111323231233 has 4 divisors (see below), whose sum is σ = 111324629808. Its totient is φ = 111321832660.

The previous prime is 111323231231. The next prime is 111323231237. The reversal of 111323231233 is 332132323111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332132323111 = 110269 ⋅3012019.

It is a cyclic number.

It is not a de Polignac number, because 111323231233 - 2¹ = 111323231231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111323231198 and 111323231207.

It is not an unprimeable number, because it can be changed into a prime (111323231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572191 + ... + 741652.

It is an arithmetic number, because the mean of its divisors is an integer number (27831157452).

Almost surely, 2^111323231233 is an apocalyptic number.

It is an amenable number.

111323231233 is a deficient number, since it is larger than the sum of its proper divisors (1398575).

111323231233 is an equidigital number, since it uses as much as digits as its factorization.

111323231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398574.

The product of its digits is 1944, while the sum is 25.

Adding to 111323231233 its reverse (332132323111), we get a palindrome (443455554344).

The spelling of 111323231233 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-three".