27071240423 has 4 divisors (see below), whose sum is σ = 27071856168. Its totient is φ = 27070624680.

The previous prime is 27071240407. The next prime is 27071240477. The reversal of 27071240423 is 32404217072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27071240423 - 2⁴ = 27071240407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27071240423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27071240323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236393 + ... + 331698.

It is an arithmetic number, because the mean of its divisors is an integer number (6767964042).

Almost surely, 2^27071240423 is an apocalyptic number.

27071240423 is a deficient number, since it is larger than the sum of its proper divisors (615745).

27071240423 is an equidigital number, since it uses as much as digits as its factorization.

27071240423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615744.

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 27071240423 its reverse (32404217072), we get a palindrome (59475457495).

The spelling of 27071240423 in words is "twenty-seven billion, seventy-one million, two hundred forty thousand, four hundred twenty-three".