1276393318423 has 8 divisors (see below), whose sum is σ = 1277122089600. Its totient is φ = 1275664652088.

The previous prime is 1276393318411. The next prime is 1276393318439. The reversal of 1276393318423 is 3248133936721.

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

It is a cyclic number.

It is not a de Polignac number, because 1276393318423 - 2²¹ = 1276391221271 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 (1276393318483) 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, 45372040 + ... + 45400162.

It is an arithmetic number, because the mean of its divisors is an integer number (159640261200).

Almost surely, 2^{1276393318423} is an apocalyptic number.

1276393318423 is a deficient number, since it is larger than the sum of its proper divisors (728771177).

1276393318423 is a wasteful number, since it uses less digits than its factorization.

1276393318423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52421.

The product of its digits is 3919104, while the sum is 52.

The spelling of 1276393318423 in words is "one trillion, two hundred seventy-six billion, three hundred ninety-three million, three hundred eighteen thousand, four hundred twenty-three".