11432231 has 4 divisors (see below), whose sum is σ = 11475000. Its totient is φ = 11389464.

The previous prime is 11432227. The next prime is 11432249. The reversal of 11432231 is 13223411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11432231 - 2² = 11432227 is a prime.

It is a super-2 number, since 2×11432231² = 261391811274722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11432261) 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, 20981 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (2868750).

Almost surely, 2^11432231 is an apocalyptic number.

11432231 is a deficient number, since it is larger than the sum of its proper divisors (42769).

11432231 is an equidigital number, since it uses as much as digits as its factorization.

11432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42768.

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

The square root of 11432231 is about 3381.1582335052. The cubic root of 11432231 is about 225.2736160996.

Adding to 11432231 its reverse (13223411), we get a palindrome (24655642).

The spelling of 11432231 in words is "eleven million, four hundred thirty-two thousand, two hundred thirty-one".