1123543404 has 36 divisors (see below), whose sum is σ = 2938004160. Its totient is φ = 361599840.

The previous prime is 1123543381. The next prime is 1123543411. The reversal of 1123543404 is 4043453211.

It is a happy number.

1123543404 is a `hidden beast` number, since 112 + 3 + 543 + 4 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537052 + ... + 539139.

Almost surely, 2^1123543404 is an apocalyptic number.

It is an amenable number.

1123543404 is an abundant number, since it is smaller than the sum of its proper divisors (1814460756).

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

1123543404 is a wasteful number, since it uses less digits than its factorization.

1123543404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076230 (or 1076225 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1123543404 is about 33519.2989783498. The cubic root of 1123543404 is about 1039.5928522150.

Adding to 1123543404 its reverse (4043453211), we get a palindrome (5166996615).

The spelling of 1123543404 in words is "one billion, one hundred twenty-three million, five hundred forty-three thousand, four hundred four".