1123413404 has 24 divisors (see below), whose sum is σ = 1995840000. Its totient is φ = 553190960.

The previous prime is 1123413377. The next prime is 1123413419. The reversal of 1123413404 is 4043143211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123413404.

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, 373097 + ... + 376095.

It is an arithmetic number, because the mean of its divisors is an integer number (83160000).

Almost surely, 2^1123413404 is an apocalyptic number.

It is an amenable number.

1123413404 is a deficient number, since it is larger than the sum of its proper divisors (872426596).

1123413404 is a wasteful number, since it uses less digits than its factorization.

1123413404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1123413404 is about 33517.3597408865. The cubic root of 1123413404 is about 1039.5527551782.

Adding to 1123413404 its reverse (4043143211), we get a palindrome (5166556615).

The spelling of 1123413404 in words is "one billion, one hundred twenty-three million, four hundred thirteen thousand, four hundred four".