11043423132 has 24 divisors (see below), whose sum is σ = 29449128576. Its totient is φ = 3155263728.

The previous prime is 11043423071. The next prime is 11043423133. The reversal of 11043423132 is 23132434011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043423133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65734578 + ... + 65734745.

It is an arithmetic number, because the mean of its divisors is an integer number (1227047024).

Almost surely, 2^11043423132 is an apocalyptic number.

11043423132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11043423132 is an abundant number, since it is smaller than the sum of its proper divisors (18405705444).

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

11043423132 is a wasteful number, since it uses less digits than its factorization.

11043423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131469337 (or 131469335 counting only the distinct ones).

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

Adding to 11043423132 its reverse (23132434011), we get a palindrome (34175857143).

The spelling of 11043423132 in words is "eleven billion, forty-three million, four hundred twenty-three thousand, one hundred thirty-two".