1004123143 has 8 divisors (see below), whose sum is σ = 1027919376. Its totient is φ = 980347200.

The previous prime is 1004123137. The next prime is 1004123149. The reversal of 1004123143 is 3413214001.

It is an interprime number because it is at equal distance from previous prime (1004123137) and next prime (1004123149).

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 1004123143 - 2⁵ = 1004123111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004123143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004123149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150723 + ... + 157243.

It is an arithmetic number, because the mean of its divisors is an integer number (128489922).

Almost surely, 2^1004123143 is an apocalyptic number.

1004123143 is a deficient number, since it is larger than the sum of its proper divisors (23796233).

1004123143 is an equidigital number, since it uses as much as digits as its factorization.

1004123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1004123143 is about 31687.9021552390. The cubic root of 1004123143 is about 1001.3724963918.

Adding to 1004123143 its reverse (3413214001), we get a palindrome (4417337144).

The spelling of 1004123143 in words is "one billion, four million, one hundred twenty-three thousand, one hundred forty-three".