1002144023 has 2 divisors, whose sum is σ = 1002144024. Its totient is φ = 1002144022.

The previous prime is 1002144019. The next prime is 1002144029. The reversal of 1002144023 is 3204412001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002144023 - 2² = 1002144019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002143992 and 1002144010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002144029) 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 as a sum of consecutive naturals, namely, 501072011 + 501072012.

It is an arithmetic number, because the mean of its divisors is an integer number (501072012).

Almost surely, 2^1002144023 is an apocalyptic number.

1002144023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002144023 is an equidigital number, since it uses as much as digits as its factorization.

1002144023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1002144023 is about 31656.6584307314. The cubic root of 1002144023 is about 1000.7141641814.

Adding to 1002144023 its reverse (3204412001), we get a palindrome (4206556024).

The spelling of 1002144023 in words is "one billion, two million, one hundred forty-four thousand, twenty-three".