11354143 has 4 divisors (see below), whose sum is σ = 11429488. Its totient is φ = 11278800.

The previous prime is 11354131. The next prime is 11354159. The reversal of 11354143 is 34145311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34145311 = 43 ⋅794077.

It is a cyclic number.

It is not a de Polignac number, because 11354143 - 2¹⁷ = 11223071 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 (11354443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37446 + ... + 37747.

It is an arithmetic number, because the mean of its divisors is an integer number (2857372).

Almost surely, 2^11354143 is an apocalyptic number.

11354143 is a deficient number, since it is larger than the sum of its proper divisors (75345).

11354143 is an equidigital number, since it uses as much as digits as its factorization.

11354143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75344.

The product of its digits is 720, while the sum is 22.

The square root of 11354143 is about 3369.5909247266. The cubic root of 11354143 is about 224.7595323934.

Adding to 11354143 its reverse (34145311), we get a palindrome (45499454).

The spelling of 11354143 in words is "eleven million, three hundred fifty-four thousand, one hundred forty-three".