12923436269 has 2 divisors, whose sum is σ = 12923436270. Its totient is φ = 12923436268.

The previous prime is 12923436223. The next prime is 12923436293. The reversal of 12923436269 is 96263432921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7575439369 + 5347996900 = 87037^2 + 73130^2 .

It is a cyclic number.

It is not a de Polignac number, because 12923436269 - 2⁸ = 12923436013 is a prime.

It is a super-2 number, since 2×12923436269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12923406269) 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, 6461718134 + 6461718135.

It is an arithmetic number, because the mean of its divisors is an integer number (6461718135).

Almost surely, 2^12923436269 is an apocalyptic number.

It is an amenable number.

12923436269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12923436269 is an equidigital number, since it uses as much as digits as its factorization.

12923436269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 47.

The spelling of 12923436269 in words is "twelve billion, nine hundred twenty-three million, four hundred thirty-six thousand, two hundred sixty-nine".