1130233243421 has 2 divisors, whose sum is σ = 1130233243422. Its totient is φ = 1130233243420.

The previous prime is 1130233243343. The next prime is 1130233243457. The reversal of 1130233243421 is 1243423320311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984835927321 + 145397316100 = 992389^2 + 381310^2 .

It is an emirp because it is prime and its reverse (1243423320311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130233243421 - 2²⁶ = 1130166134557 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 (1130233293421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565116621710 + 565116621711.

It is an arithmetic number, because the mean of its divisors is an integer number (565116621711).

Almost surely, 2^{1130233243421} is an apocalyptic number.

It is an amenable number.

1130233243421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130233243421 is an equidigital number, since it uses as much as digits as its factorization.

1130233243421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1130233243421 its reverse (1243423320311), we get a palindrome (2373656563732).

The spelling of 1130233243421 in words is "one trillion, one hundred thirty billion, two hundred thirty-three million, two hundred forty-three thousand, four hundred twenty-one".