1030123132321 has 2 divisors, whose sum is σ = 1030123132322. Its totient is φ = 1030123132320.

The previous prime is 1030123132319. The next prime is 1030123132403. The reversal of 1030123132321 is 1232313210301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997012235025 + 33110897296 = 998505^2 + 181964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030123132321 - 2¹ = 1030123132319 is a prime.

It is a super-2 number, since 2×1030123132321² (a number of 25 digits) contains 22 as substring.

Together with 1030123132319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1030123132292 and 1030123132301.

It is not a weakly prime, because it can be changed into another prime (1030123132421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515061566160 + 515061566161.

It is an arithmetic number, because the mean of its divisors is an integer number (515061566161).

Almost surely, 2^{1030123132321} is an apocalyptic number.

It is an amenable number.

1030123132321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030123132321 is an equidigital number, since it uses as much as digits as its factorization.

1030123132321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1030123132321 its reverse (1232313210301), we get a palindrome (2262436342622).

The spelling of 1030123132321 in words is "one trillion, thirty billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty-one".