13616997923 has 2 divisors, whose sum is σ = 13616997924. Its totient is φ = 13616997922.

The previous prime is 13616997893. The next prime is 13616997929. The reversal of 13616997923 is 32979961631.

13616997923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13616997923 - 2²⁸ = 13348562467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13616997929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6808498961 + 6808498962.

It is an arithmetic number, because the mean of its divisors is an integer number (6808498962).

Almost surely, 2^13616997923 is an apocalyptic number.

13616997923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13616997923 is an equidigital number, since it uses as much as digits as its factorization.

13616997923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3306744, while the sum is 56.

The spelling of 13616997923 in words is "thirteen billion, six hundred sixteen million, nine hundred ninety-seven thousand, nine hundred twenty-three".