13598447923 has 2 divisors, whose sum is σ = 13598447924. Its totient is φ = 13598447922.

The previous prime is 13598447921. The next prime is 13598447959. The reversal of 13598447923 is 32974489531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13598447923 - 2¹ = 13598447921 is a prime.

Together with 13598447921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13598447921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6799223961 + 6799223962.

It is an arithmetic number, because the mean of its divisors is an integer number (6799223962).

Almost surely, 2^13598447923 is an apocalyptic number.

13598447923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13598447923 is an equidigital number, since it uses as much as digits as its factorization.

13598447923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The spelling of 13598447923 in words is "thirteen billion, five hundred ninety-eight million, four hundred forty-seven thousand, nine hundred twenty-three".