2012423109 has 8 divisors (see below), whose sum is σ = 2686357920. Its totient is φ = 1340051856.

The previous prime is 2012423107. The next prime is 2012423141. The reversal of 2012423109 is 9013242102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012423109 - 2¹ = 2012423107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012423107) 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 in 7 ways as a sum of consecutive naturals, for example, 387882 + ... + 393035.

It is an arithmetic number, because the mean of its divisors is an integer number (335794740).

Almost surely, 2^2012423109 is an apocalyptic number.

It is an amenable number.

2012423109 is a deficient number, since it is larger than the sum of its proper divisors (673934811).

2012423109 is an equidigital number, since it uses as much as digits as its factorization.

2012423109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781779.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2012423109 is about 44860.0391105492. The cubic root of 2012423109 is about 1262.5243565409.

The spelling of 2012423109 in words is "two billion, twelve million, four hundred twenty-three thousand, one hundred nine".