11373143 has 4 divisors (see below), whose sum is σ = 11404008. Its totient is φ = 11342280.

The previous prime is 11373121. The next prime is 11373151. The reversal of 11373143 is 34137311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34137311 = 13 ⋅2625947.

It is a cyclic number.

It is not a de Polignac number, because 11373143 - 2⁶ = 11373079 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 (11376143) 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 3 ways as a sum of consecutive naturals, for example, 14873 + ... + 15618.

It is an arithmetic number, because the mean of its divisors is an integer number (2851002).

Almost surely, 2^11373143 is an apocalyptic number.

11373143 is a deficient number, since it is larger than the sum of its proper divisors (30865).

11373143 is an equidigital number, since it uses as much as digits as its factorization.

11373143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30864.

The product of its digits is 756, while the sum is 23.

The square root of 11373143 is about 3372.4090795750. The cubic root of 11373143 is about 224.8848332428.

The spelling of 11373143 in words is "eleven million, three hundred seventy-three thousand, one hundred forty-three".