27190435423 has 4 divisors (see below), whose sum is σ = 27636180328. Its totient is φ = 26744690520.

The previous prime is 27190435417. The next prime is 27190435427. The reversal of 27190435423 is 32453409172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27190435423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27190435427) 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, 222872361 + ... + 222872482.

It is an arithmetic number, because the mean of its divisors is an integer number (6909045082).

Almost surely, 2^27190435423 is an apocalyptic number.

27190435423 is a deficient number, since it is larger than the sum of its proper divisors (445744905).

27190435423 is an equidigital number, since it uses as much as digits as its factorization.

27190435423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445744904.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 27190435423 in words is "twenty-seven billion, one hundred ninety million, four hundred thirty-five thousand, four hundred twenty-three".