7168213905423 has 4 divisors (see below), whose sum is σ = 9557618540568. Its totient is φ = 4778809270280.

The previous prime is 7168213905379. The next prime is 7168213905443. The reversal of 7168213905423 is 3245093128617.

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-7168213905423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7168213905443) 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, 1194702317568 + ... + 1194702317573.

It is an arithmetic number, because the mean of its divisors is an integer number (2389404635142).

It is a 1-persistent number, because it is pandigital, but 2⋅7168213905423 = 14336427810846 is not.

Almost surely, 2^{7168213905423} is an apocalyptic number.

7168213905423 is a deficient number, since it is larger than the sum of its proper divisors (2389404635145).

7168213905423 is a wasteful number, since it uses less digits than its factorization.

7168213905423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389404635144.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 7168213905423 in words is "seven trillion, one hundred sixty-eight billion, two hundred thirteen million, nine hundred five thousand, four hundred twenty-three".