1123531235 has 4 divisors (see below), whose sum is σ = 1348237488. Its totient is φ = 898824984.

The previous prime is 1123531229. The next prime is 1123531249. The reversal of 1123531235 is 5321353211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5321353211 = 107 ⋅49732273.

It is a cyclic number.

It is not a de Polignac number, because 1123531235 - 2¹⁴ = 1123514851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 112353119 + ... + 112353128.

It is an arithmetic number, because the mean of its divisors is an integer number (337059372).

Almost surely, 2^1123531235 is an apocalyptic number.

1123531235 is a deficient number, since it is larger than the sum of its proper divisors (224706253).

1123531235 is an equidigital number, since it uses as much as digits as its factorization.

1123531235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224706252.

The product of its digits is 2700, while the sum is 26.

The square root of 1123531235 is about 33519.1174555656. The cubic root of 1123531235 is about 1039.5890989551.

Adding to 1123531235 its reverse (5321353211), we get a palindrome (6444884446).

The spelling of 1123531235 in words is "one billion, one hundred twenty-three million, five hundred thirty-one thousand, two hundred thirty-five".