1123533532 has 48 divisors (see below), whose sum is σ = 2245969152. Its totient is φ = 486794880.

The previous prime is 1123533473. The next prime is 1123533539. The reversal of 1123533532 is 2353353211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123533532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123533539) 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 15 ways as a sum of consecutive naturals, for example, 314983 + ... + 318529.

It is an arithmetic number, because the mean of its divisors is an integer number (46791024).

Almost surely, 2^1123533532 is an apocalyptic number.

It is an amenable number.

1123533532 is a deficient number, since it is larger than the sum of its proper divisors (1122435620).

1123533532 is a wasteful number, since it uses less digits than its factorization.

1123533532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3896 counting only the distinct ones).

The product of its digits is 8100, while the sum is 28.

The square root of 1123533532 is about 33519.1517195767. The cubic root of 1123533532 is about 1039.5898074162.

Adding to 1123533532 its reverse (2353353211), we get a palindrome (3476886743).

It can be divided in two parts, 11 and 23533532, that multiplied together give a palindrome (258868852).

The spelling of 1123533532 in words is "one billion, one hundred twenty-three million, five hundred thirty-three thousand, five hundred thirty-two".