1023143 has 8 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 909880.

The previous prime is 1023133. The next prime is 1023163. The reversal of 1023143 is 3413201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023143 - 2⁶ = 1023079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023133) 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 7 ways as a sum of consecutive naturals, for example, 473 + ... + 1506.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2^1023143 is an apocalyptic number.

1023143 is a deficient number, since it is larger than the sum of its proper divisors (117337).

1023143 is a wasteful number, since it uses less digits than its factorization.

1023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1023143 is about 1011.5053138763. The cubic root of 1023143 is about 100.7655575932.

Adding to 1023143 its reverse (3413201), we get a palindrome (4436344).

The spelling of 1023143 in words is "one million, twenty-three thousand, one hundred forty-three".