11426231 has 4 divisors (see below), whose sum is σ = 11539464. Its totient is φ = 11313000.

The previous prime is 11426189. The next prime is 11426237. The reversal of 11426231 is 13262411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13262411 = 101 ⋅131311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11426231 is a prime.

It is a super-2 number, since 2×11426231² = 261117509730722, 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 (11426237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56465 + ... + 56666.

It is an arithmetic number, because the mean of its divisors is an integer number (2884866).

Almost surely, 2^11426231 is an apocalyptic number.

11426231 is a deficient number, since it is larger than the sum of its proper divisors (113233).

11426231 is a wasteful number, since it uses less digits than its factorization.

11426231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113232.

The product of its digits is 288, while the sum is 20.

The square root of 11426231 is about 3380.2708471364. The cubic root of 11426231 is about 225.2341989398.

Adding to 11426231 its reverse (13262411), we get a palindrome (24688642).

The spelling of 11426231 in words is "eleven million, four hundred twenty-six thousand, two hundred thirty-one".