1123503424 has 56 divisors (see below), whose sum is σ = 2261494080. Its totient is φ = 553737216.

The previous prime is 1123503419. The next prime is 1123503467. The reversal of 1123503424 is 4243053211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458204 + ... + 2458660.

Almost surely, 2^1123503424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123503424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130747040).

1123503424 is an abundant number, since it is smaller than the sum of its proper divisors (1137990656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123503424 is a wasteful number, since it uses less digits than its factorization.

1123503424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1123503424 is about 33518.7026001902. The cubic root of 1123503424 is about 1039.5805211633.

Adding to 1123503424 its reverse (4243053211), we get a palindrome (5366556635).

The spelling of 1123503424 in words is "one billion, one hundred twenty-three million, five hundred three thousand, four hundred twenty-four".