11423132 has 12 divisors (see below), whose sum is σ = 22846320. Its totient is φ = 4895616.

The previous prime is 11423131. The next prime is 11423149. The reversal of 11423132 is 23132411.

11423132 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11423132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423131) 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 in 3 ways as a sum of consecutive naturals, for example, 203957 + ... + 204012.

It is an arithmetic number, because the mean of its divisors is an integer number (1903860).

Almost surely, 2^11423132 is an apocalyptic number.

It is an amenable number.

11423132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11423132 is a wasteful number, since it uses less digits than its factorization.

11423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407980 (or 407978 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 11423132 is about 3379.8124208305. The cubic root of 11423132 is about 225.2138345725.

Adding to 11423132 its reverse (23132411), we get a palindrome (34555543).

The spelling of 11423132 in words is "eleven million, four hundred twenty-three thousand, one hundred thirty-two".