1123432432 has 20 divisors (see below), whose sum is σ = 2207309616. Its totient is φ = 553804160.

The previous prime is 1123432391. The next prime is 1123432441. The reversal of 1123432432 is 2342343211.

It is a junction number, because it is equal to n+sod(n) for n = 1123432397 and 1123432406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493333 + ... + 495604.

Almost surely, 2^1123432432 is an apocalyptic number.

It is an amenable number.

1123432432 is a deficient number, since it is larger than the sum of its proper divisors (1083877184).

1123432432 is an equidigital number, since it uses as much as digits as its factorization.

1123432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989016 (or 989010 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1123432432 is about 33517.6435925916. The cubic root of 1123432432 is about 1039.5586243439.

Adding to 1123432432 its reverse (2342343211), we get a palindrome (3465775643).

The spelling of 1123432432 in words is "one billion, one hundred twenty-three million, four hundred thirty-two thousand, four hundred thirty-two".