12523066603 has 2 divisors, whose sum is σ = 12523066604. Its totient is φ = 12523066602.

The previous prime is 12523066597. The next prime is 12523066637. The reversal of 12523066603 is 30666032521.

It is an a-pointer prime, because the next prime (12523066637) can be obtained adding 12523066603 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12523066603 - 2²¹ = 12520969451 is a prime.

It is not a weakly prime, because it can be changed into another prime (12523066663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6261533301 + 6261533302.

It is an arithmetic number, because the mean of its divisors is an integer number (6261533302).

Almost surely, 2^12523066603 is an apocalyptic number.

12523066603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12523066603 is an equidigital number, since it uses as much as digits as its factorization.

12523066603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 12523066603 in words is "twelve billion, five hundred twenty-three million, sixty-six thousand, six hundred three".