27047323523 has 4 divisors (see below), whose sum is σ = 29506171128. Its totient is φ = 24588475920.

The previous prime is 27047323519. The next prime is 27047323529. The reversal of 27047323523 is 32532374072.

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 27047323523 - 2² = 27047323519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27047323529) 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, 1229423786 + ... + 1229423807.

It is an arithmetic number, because the mean of its divisors is an integer number (7376542782).

Almost surely, 2^27047323523 is an apocalyptic number.

27047323523 is a deficient number, since it is larger than the sum of its proper divisors (2458847605).

27047323523 is a wasteful number, since it uses less digits than its factorization.

27047323523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458847604.

The product of its (nonzero) digits is 211680, while the sum is 38.

Adding to 27047323523 its reverse (32532374072), we get a palindrome (59579697595).

The spelling of 27047323523 in words is "twenty-seven billion, forty-seven million, three hundred twenty-three thousand, five hundred twenty-three".