11430432 has 144 divisors (see below), whose sum is σ = 36324288. Its totient is φ = 3386880.

The previous prime is 11430421. The next prime is 11430449. The reversal of 11430432 is 23403411.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160957 + ... + 161027.

It is an arithmetic number, because the mean of its divisors is an integer number (252252).

Almost surely, 2^11430432 is an apocalyptic number.

11430432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18162144).

11430432 is an abundant number, since it is smaller than the sum of its proper divisors (24893856).

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

11430432 is a wasteful number, since it uses less digits than its factorization.

11430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11430432 is about 3380.8921899404. The cubic root of 11430432 is about 225.2617989691.

Adding to 11430432 its reverse (23403411), we get a palindrome (34833843).

The spelling of 11430432 in words is "eleven million, four hundred thirty thousand, four hundred thirty-two".