127356173423 has 4 divisors (see below), whose sum is σ = 131747765640. Its totient is φ = 122964581208.

The previous prime is 127356173411. The next prime is 127356173447. The reversal of 127356173423 is 324371653721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324371653721 = 17 ⋅19080685513.

It is a cyclic number.

It is not a de Polignac number, because 127356173423 - 2¹⁰ = 127356172399 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 (127356173123) 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, 2195796065 + ... + 2195796122.

It is an arithmetic number, because the mean of its divisors is an integer number (32936941410).

Almost surely, 2^127356173423 is an apocalyptic number.

127356173423 is a deficient number, since it is larger than the sum of its proper divisors (4391592217).

127356173423 is an equidigital number, since it uses as much as digits as its factorization.

127356173423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391592216.

The product of its digits is 635040, while the sum is 44.

The spelling of 127356173423 in words is "one hundred twenty-seven billion, three hundred fifty-six million, one hundred seventy-three thousand, four hundred twenty-three".