27204143123 has 2 divisors, whose sum is σ = 27204143124. Its totient is φ = 27204143122.

The previous prime is 27204143117. The next prime is 27204143173. The reversal of 27204143123 is 32134140272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27204143123 - 2⁶ = 27204143059 is a prime.

It is not a weakly prime, because it can be changed into another prime (27204143173) 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, 13602071561 + 13602071562.

It is an arithmetic number, because the mean of its divisors is an integer number (13602071562).

Almost surely, 2^27204143123 is an apocalyptic number.

27204143123 is a deficient number, since it is larger than the sum of its proper divisors (1).

27204143123 is an equidigital number, since it uses as much as digits as its factorization.

27204143123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 27204143123 its reverse (32134140272), we get a palindrome (59338283395).

The spelling of 27204143123 in words is "twenty-seven billion, two hundred four million, one hundred forty-three thousand, one hundred twenty-three".