1003230430421 has 2 divisors, whose sum is σ = 1003230430422. Its totient is φ = 1003230430420.

The previous prime is 1003230430351. The next prime is 1003230430463. The reversal of 1003230430421 is 1240340323001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975974071396 + 27256359025 = 987914^2 + 165095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003230430421 - 2³⁸ = 728352523477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003230030421) 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, 501615215210 + 501615215211.

It is an arithmetic number, because the mean of its divisors is an integer number (501615215211).

Almost surely, 2^{1003230430421} is an apocalyptic number.

It is an amenable number.

1003230430421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003230430421 is an equidigital number, since it uses as much as digits as its factorization.

1003230430421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1003230430421 its reverse (1240340323001), we get a palindrome (2243570753422).

The spelling of 1003230430421 in words is "one trillion, three billion, two hundred thirty million, four hundred thirty thousand, four hundred twenty-one".