1000142320403 has 2 divisors, whose sum is σ = 1000142320404. Its totient is φ = 1000142320402.

The previous prime is 1000142320391. The next prime is 1000142320447. The reversal of 1000142320403 is 3040232410001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000142320403 - 2⁸ = 1000142320147 is a prime.

It is a super-2 number, since 2×1000142320403² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000142820403) 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, 500071160201 + 500071160202.

It is an arithmetic number, because the mean of its divisors is an integer number (500071160202).

Almost surely, 2^{1000142320403} is an apocalyptic number.

1000142320403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000142320403 is an equidigital number, since it uses as much as digits as its factorization.

1000142320403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1000142320403 its reverse (3040232410001), we get a palindrome (4040374730404).

The spelling of 1000142320403 in words is "one trillion, one hundred forty-two million, three hundred twenty thousand, four hundred three".