11426143 has 4 divisors (see below), whose sum is σ = 11531080. Its totient is φ = 11321208.

The previous prime is 11426141. The next prime is 11426153. The reversal of 11426143 is 34162411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34162411 = 1129 ⋅30259.

It is a cyclic number.

It is not a de Polignac number, because 11426143 - 2¹ = 11426141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11426141) 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, 52305 + ... + 52522.

It is an arithmetic number, because the mean of its divisors is an integer number (2882770).

Almost surely, 2^11426143 is an apocalyptic number.

11426143 is a deficient number, since it is larger than the sum of its proper divisors (104937).

11426143 is a wasteful number, since it uses less digits than its factorization.

11426143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104936.

The product of its digits is 576, while the sum is 22.

The square root of 11426143 is about 3380.2578304029. The cubic root of 11426143 is about 225.2336207188.

Adding to 11426143 its reverse (34162411), we get a palindrome (45588554).

The spelling of 11426143 in words is "eleven million, four hundred twenty-six thousand, one hundred forty-three".