123010010989 has 2 divisors, whose sum is σ = 123010010990. Its totient is φ = 123010010988.

The previous prime is 123010010969. The next prime is 123010011053. The reversal of 123010010989 is 989010010321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108721872900 + 14288138089 = 329730^2 + 119533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123010010989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123010010969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61505005494 + 61505005495.

It is an arithmetic number, because the mean of its divisors is an integer number (61505005495).

Almost surely, 2^123010010989 is an apocalyptic number.

It is an amenable number.

123010010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

123010010989 is an equidigital number, since it uses as much as digits as its factorization.

123010010989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 123010010989 in words is "one hundred twenty-three billion, ten million, ten thousand, nine hundred eighty-nine".