11123043432 has 64 divisors (see below), whose sum is σ = 29564196480. Its totient is φ = 3479553792.

The previous prime is 11123043431. The next prime is 11123043457. The reversal of 11123043432 is 23434032111.

It is a happy number.

11123043432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11123043431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 160843 + ... + 219354.

It is an arithmetic number, because the mean of its divisors is an integer number (461940570).

Almost surely, 2^11123043432 is an apocalyptic number.

11123043432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11123043432 is an abundant number, since it is smaller than the sum of its proper divisors (18441153048).

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

11123043432 is a wasteful number, since it uses less digits than its factorization.

11123043432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380282 (or 380278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11123043432 its reverse (23434032111), we get a palindrome (34557075543).

The spelling of 11123043432 in words is "eleven billion, one hundred twenty-three million, forty-three thousand, four hundred thirty-two".