27143106413723 has 4 divisors (see below), whose sum is σ = 27185451354168. Its totient is φ = 27100761473280.

The previous prime is 27143106413669. The next prime is 27143106413747. The reversal of 27143106413723 is 32731460134172.

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 27143106413723 - 2⁴² = 22745059902619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27143106913723) 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, 21172469261 + ... + 21172470542.

It is an arithmetic number, because the mean of its divisors is an integer number (6796362838542).

Almost surely, 2^{27143106413723} is an apocalyptic number.

27143106413723 is a deficient number, since it is larger than the sum of its proper divisors (42344940445).

27143106413723 is an equidigital number, since it uses as much as digits as its factorization.

27143106413723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42344940444.

The product of its (nonzero) digits is 508032, while the sum is 44.

Adding to 27143106413723 its reverse (32731460134172), we get a palindrome (59874566547895).

The spelling of 27143106413723 in words is "twenty-seven trillion, one hundred forty-three billion, one hundred six million, four hundred thirteen thousand, seven hundred twenty-three".