13281256223 has 2 divisors, whose sum is σ = 13281256224. Its totient is φ = 13281256222.

The previous prime is 13281256211. The next prime is 13281256249. The reversal of 13281256223 is 32265218231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13281256223 - 2¹⁰ = 13281255199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13281256423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6640628111 + 6640628112.

It is an arithmetic number, because the mean of its divisors is an integer number (6640628112).

Almost surely, 2^13281256223 is an apocalyptic number.

13281256223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13281256223 is an equidigital number, since it uses as much as digits as its factorization.

13281256223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The spelling of 13281256223 in words is "thirteen billion, two hundred eighty-one million, two hundred fifty-six thousand, two hundred twenty-three".