11023143 has 8 divisors (see below), whose sum is σ = 14715888. Its totient is φ = 7339584.

The previous prime is 11023121. The next prime is 11023153. The reversal of 11023143 is 34132011.

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

It is not a de Polignac number, because 11023143 - 2⁶ = 11023079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023153) 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 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (1839486).

Almost surely, 2^11023143 is an apocalyptic number.

11023143 is a deficient number, since it is larger than the sum of its proper divisors (3692745).

11023143 is a wasteful number, since it uses less digits than its factorization.

11023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11023143 is about 3320.1118957047. Note that the first 3 decimals coincide. The cubic root of 11023143 is about 222.5538682012.

Adding to 11023143 its reverse (34132011), we get a palindrome (45155154).

The spelling of 11023143 in words is "eleven million, twenty-three thousand, one hundred forty-three".