27520453205323 has 8 divisors (see below), whose sum is σ = 29638326982208. Its totient is φ = 25402710262464.

The previous prime is 27520453205263. The next prime is 27520453205351. The reversal of 27520453205323 is 32350235402572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27520453205323 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 27520453205323.

It is not an unprimeable number, because it can be changed into a prime (27520453205383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32271411 + ... + 33113212.

It is an arithmetic number, because the mean of its divisors is an integer number (3704790872776).

Almost surely, 2^{27520453205323} is an apocalyptic number.

27520453205323 is a deficient number, since it is larger than the sum of its proper divisors (2117873776885).

27520453205323 is a wasteful number, since it uses less digits than its factorization.

27520453205323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65417013.

The product of its (nonzero) digits is 1512000, while the sum is 43.

Adding to 27520453205323 its reverse (32350235402572), we get a palindrome (59870688607895).

The spelling of 27520453205323 in words is "twenty-seven trillion, five hundred twenty billion, four hundred fifty-three million, two hundred five thousand, three hundred twenty-three".