27453123743 has 2 divisors, whose sum is σ = 27453123744. Its totient is φ = 27453123742.

The previous prime is 27453123739. The next prime is 27453123773. The reversal of 27453123743 is 34732135472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27453123743 - 2² = 27453123739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27453123743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27453123773) 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, 13726561871 + 13726561872.

It is an arithmetic number, because the mean of its divisors is an integer number (13726561872).

Almost surely, 2^27453123743 is an apocalyptic number.

27453123743 is a deficient number, since it is larger than the sum of its proper divisors (1).

27453123743 is an equidigital number, since it uses as much as digits as its factorization.

27453123743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 41.

The spelling of 27453123743 in words is "twenty-seven billion, four hundred fifty-three million, one hundred twenty-three thousand, seven hundred forty-three".