12034403123 has 2 divisors, whose sum is σ = 12034403124. Its totient is φ = 12034403122.

The previous prime is 12034403083. The next prime is 12034403149. The reversal of 12034403123 is 32130443021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12034403123 - 2¹⁰ = 12034402099 is a prime.

It is not a weakly prime, because it can be changed into another prime (12034403153) 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, 6017201561 + 6017201562.

It is an arithmetic number, because the mean of its divisors is an integer number (6017201562).

Almost surely, 2^12034403123 is an apocalyptic number.

12034403123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12034403123 is an equidigital number, since it uses as much as digits as its factorization.

12034403123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12034403123 its reverse (32130443021), we get a palindrome (44164846144).

The spelling of 12034403123 in words is "twelve billion, thirty-four million, four hundred three thousand, one hundred twenty-three".