1002242140423 has 2 divisors, whose sum is σ = 1002242140424. Its totient is φ = 1002242140422.

The previous prime is 1002242140399. The next prime is 1002242140433. The reversal of 1002242140423 is 3240412422001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002242140423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002242140433) 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, 501121070211 + 501121070212.

It is an arithmetic number, because the mean of its divisors is an integer number (501121070212).

Almost surely, 2^{1002242140423} is an apocalyptic number.

1002242140423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002242140423 is an equidigital number, since it uses as much as digits as its factorization.

1002242140423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1002242140423 its reverse (3240412422001), we get a palindrome (4242654562424).

The spelling of 1002242140423 in words is "one trillion, two billion, two hundred forty-two million, one hundred forty thousand, four hundred twenty-three".