1123532443 has 8 divisors (see below), whose sum is σ = 1226453760. Its totient is φ = 1020741480.

The previous prime is 1123532437. The next prime is 1123532483. The reversal of 1123532443 is 3442353211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123532443 - 2¹⁷ = 1123401371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123532483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14103 + ... + 49456.

It is an arithmetic number, because the mean of its divisors is an integer number (153306720).

Almost surely, 2^1123532443 is an apocalyptic number.

1123532443 is a deficient number, since it is larger than the sum of its proper divisors (102921317).

1123532443 is a wasteful number, since it uses less digits than its factorization.

1123532443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65177.

The product of its digits is 8640, while the sum is 28.

The square root of 1123532443 is about 33519.1354751282. The cubic root of 1123532443 is about 1039.5894715373.

Adding to 1123532443 its reverse (3442353211), we get a palindrome (4565885654).

The spelling of 1123532443 in words is "one billion, one hundred twenty-three million, five hundred thirty-two thousand, four hundred forty-three".