11631243 has 8 divisors (see below), whose sum is σ = 16701328. Its totient is φ = 7157664.

The previous prime is 11631239. The next prime is 11631251. The reversal of 11631243 is 34213611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11631243 - 2² = 11631239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11631443) 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 7 ways as a sum of consecutive naturals, for example, 149080 + ... + 149157.

It is an arithmetic number, because the mean of its divisors is an integer number (2087666).

Almost surely, 2^11631243 is an apocalyptic number.

11631243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11631243 is a deficient number, since it is larger than the sum of its proper divisors (5070085).

11631243 is a wasteful number, since it uses less digits than its factorization.

11631243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298253.

The product of its digits is 432, while the sum is 21.

The square root of 11631243 is about 3410.4608193029. The cubic root of 11631243 is about 226.5732893443.

Adding to 11631243 its reverse (34213611), we get a palindrome (45844854).

The spelling of 11631243 in words is "eleven million, six hundred thirty-one thousand, two hundred forty-three".