27103818823 has 2 divisors, whose sum is σ = 27103818824. Its totient is φ = 27103818822.

The previous prime is 27103818799. The next prime is 27103818851. The reversal of 27103818823 is 32881830172.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27103818823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27103818823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27103818893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13551909411 + 13551909412.

It is an arithmetic number, because the mean of its divisors is an integer number (13551909412).

Almost surely, 2^27103818823 is an apocalyptic number.

27103818823 is a deficient number, since it is larger than the sum of its proper divisors (1).

27103818823 is an equidigital number, since it uses as much as digits as its factorization.

27103818823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 27103818823 in words is "twenty-seven billion, one hundred three million, eight hundred eighteen thousand, eight hundred twenty-three".