1023144143 has 4 divisors (see below), whose sum is σ = 1169307600. Its totient is φ = 876980688.

The previous prime is 1023144127. The next prime is 1023144163. The reversal of 1023144143 is 3414413201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023144143 - 2⁴ = 1023144127 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 (1023144163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73081718 + ... + 73081731.

It is an arithmetic number, because the mean of its divisors is an integer number (292326900).

Almost surely, 2^1023144143 is an apocalyptic number.

1023144143 is a deficient number, since it is larger than the sum of its proper divisors (146163457).

1023144143 is an equidigital number, since it uses as much as digits as its factorization.

1023144143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146163456.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1023144143 is about 31986.6244389745. The cubic root of 1023144143 is about 1007.6559511642.

Adding to 1023144143 its reverse (3414413201), we get a palindrome (4437557344).

The spelling of 1023144143 in words is "one billion, twenty-three million, one hundred forty-four thousand, one hundred forty-three".