1130231123321 has 4 divisors (see below), whose sum is σ = 1134401718144. Its totient is φ = 1126060528500.

The previous prime is 1130231123297. The next prime is 1130231123327. The reversal of 1130231123321 is 1233211320311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130231123321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130231123327) 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 in 3 ways as a sum of consecutive naturals, for example, 2085297005 + ... + 2085297546.

It is an arithmetic number, because the mean of its divisors is an integer number (283600429536).

Almost surely, 2^{1130231123321} is an apocalyptic number.

It is an amenable number.

1130231123321 is a deficient number, since it is larger than the sum of its proper divisors (4170594823).

1130231123321 is an equidigital number, since it uses as much as digits as its factorization.

1130231123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170594822.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1130231123321 its reverse (1233211320311), we get a palindrome (2363442443632).

The spelling of 1130231123321 in words is "one trillion, one hundred thirty billion, two hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty-one".