11243427 has 8 divisors (see below), whose sum is σ = 16144464. Its totient is φ = 6919008.

The previous prime is 11243423. The next prime is 11243431. The reversal of 11243427 is 72434211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11243423) and next prime (11243431).

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

It is not a de Polignac number, because 11243427 - 2² = 11243423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11243397 and 11243406.

It is not an unprimeable number, because it can be changed into a prime (11243423) 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, 144108 + ... + 144185.

It is an arithmetic number, because the mean of its divisors is an integer number (2018058).

Almost surely, 2^11243427 is an apocalyptic number.

11243427 is a deficient number, since it is larger than the sum of its proper divisors (4901037).

11243427 is a wasteful number, since it uses less digits than its factorization.

11243427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288309.

The product of its digits is 1344, while the sum is 24.

The square root of 11243427 is about 3353.1219780974. The cubic root of 11243427 is about 224.0265899026.

Adding to 11243427 its reverse (72434211), we get a palindrome (83677638).

The spelling of 11243427 in words is "eleven million, two hundred forty-three thousand, four hundred twenty-seven".