1023120143 has 2 divisors, whose sum is σ = 1023120144. Its totient is φ = 1023120142.

The previous prime is 1023120127. The next prime is 1023120211. The reversal of 1023120143 is 3410213201.

It is a weak prime.

It is an emirp because it is prime and its reverse (3410213201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023120143 - 2⁴ = 1023120127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023120743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511560071 + 511560072.

It is an arithmetic number, because the mean of its divisors is an integer number (511560072).

Almost surely, 2^1023120143 is an apocalyptic number.

1023120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023120143 is an equidigital number, since it uses as much as digits as its factorization.

1023120143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1023120143 is about 31986.2492799640. The cubic root of 1023120143 is about 1007.6480722053.

Adding to 1023120143 its reverse (3410213201), we get a palindrome (4433333344).

The spelling of 1023120143 in words is "one billion, twenty-three million, one hundred twenty thousand, one hundred forty-three".