12266236523 has 2 divisors, whose sum is σ = 12266236524. Its totient is φ = 12266236522.

The previous prime is 12266236481. The next prime is 12266236529. The reversal of 12266236523 is 32563266221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12266236523 - 2¹⁸ = 12265974379 is a prime.

It is not a weakly prime, because it can be changed into another prime (12266236529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133118261 + 6133118262.

It is an arithmetic number, because the mean of its divisors is an integer number (6133118262).

Almost surely, 2^12266236523 is an apocalyptic number.

12266236523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12266236523 is an equidigital number, since it uses as much as digits as its factorization.

12266236523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The spelling of 12266236523 in words is "twelve billion, two hundred sixty-six million, two hundred thirty-six thousand, five hundred twenty-three".