2012030123 has 2 divisors, whose sum is σ = 2012030124. Its totient is φ = 2012030122.

The previous prime is 2012030093. The next prime is 2012030129. The reversal of 2012030123 is 3210302102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012030123 - 2⁸ = 2012029867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012030098 and 2012030107.

It is not a weakly prime, because it can be changed into another prime (2012030129) 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, 1006015061 + 1006015062.

It is an arithmetic number, because the mean of its divisors is an integer number (1006015062).

Almost surely, 2^2012030123 is an apocalyptic number.

2012030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012030123 is an equidigital number, since it uses as much as digits as its factorization.

2012030123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2012030123 is about 44855.6587623011. The cubic root of 2012030123 is about 1262.4421692688.

Adding to 2012030123 its reverse (3210302102), we get a palindrome (5222332225).

The spelling of 2012030123 in words is "two billion, twelve million, thirty thousand, one hundred twenty-three".