1030123232989 has 2 divisors, whose sum is σ = 1030123232990. Its totient is φ = 1030123232988.

The previous prime is 1030123232977. The next prime is 1030123233017. The reversal of 1030123232989 is 9892323210301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752859905625 + 277263327364 = 867675^2 + 526558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030123232989 - 2⁹ = 1030123232477 is a prime.

It is a super-2 number, since 2×1030123232989² (a number of 25 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030123232969) 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, 515061616494 + 515061616495.

It is an arithmetic number, because the mean of its divisors is an integer number (515061616495).

Almost surely, 2^{1030123232989} is an apocalyptic number.

It is an amenable number.

1030123232989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030123232989 is an equidigital number, since it uses as much as digits as its factorization.

1030123232989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 1030123232989 in words is "one trillion, thirty billion, one hundred twenty-three million, two hundred thirty-two thousand, nine hundred eighty-nine".