12023023109 has 2 divisors, whose sum is σ = 12023023110. Its totient is φ = 12023023108.

The previous prime is 12023023093. The next prime is 12023023123. The reversal of 12023023109 is 90132032021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11556895009 + 466128100 = 107503^2 + 21590^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023023109 - 2⁴ = 12023023093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12023023189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011511554 + 6011511555.

It is an arithmetic number, because the mean of its divisors is an integer number (6011511555).

Almost surely, 2^12023023109 is an apocalyptic number.

It is an amenable number.

12023023109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023023109 is an equidigital number, since it uses as much as digits as its factorization.

12023023109 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 23.

The spelling of 12023023109 in words is "twelve billion, twenty-three million, twenty-three thousand, one hundred nine".