123010011223109 has 2 divisors, whose sum is σ = 123010011223110. Its totient is φ = 123010011223108.

The previous prime is 123010011223079. The next prime is 123010011223117. The reversal of 123010011223109 is 901322110010321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88397415960100 + 34612595263009 = 9401990^2 + 5883247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123010011223109 is a prime.

It is a super-2 number, since 2×123010011223109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123010011223009) 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 as a sum of consecutive naturals, namely, 61505005611554 + 61505005611555.

It is an arithmetic number, because the mean of its divisors is an integer number (61505005611555).

Almost surely, 2^{123010011223109} is an apocalyptic number.

It is an amenable number.

123010011223109 is a deficient number, since it is larger than the sum of its proper divisors (1).

123010011223109 is an equidigital number, since it uses as much as digits as its factorization.

123010011223109 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 26.

The spelling of 123010011223109 in words is "one hundred twenty-three trillion, ten billion, eleven million, two hundred twenty-three thousand, one hundred nine".