1123040432 has 10 divisors (see below), whose sum is σ = 2175890868. Its totient is φ = 561520208.

The previous prime is 1123040411. The next prime is 1123040437. The reversal of 1123040432 is 2340403211.

It is a super-2 number, since 2×1123040432² = 2522439623813493248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123040437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35094998 + ... + 35095029.

Almost surely, 2^1123040432 is an apocalyptic number.

It is an amenable number.

1123040432 is a deficient number, since it is larger than the sum of its proper divisors (1052850436).

1123040432 is an equidigital number, since it uses as much as digits as its factorization.

1123040432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70190035 (or 70190029 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1123040432 is about 33511.7954159427. The cubic root of 1123040432 is about 1039.4376989918.

Adding to 1123040432 its reverse (2340403211), we get a palindrome (3463443643).

The spelling of 1123040432 in words is "one billion, one hundred twenty-three million, forty thousand, four hundred thirty-two".