79343420423 has 4 divisors (see below), whose sum is σ = 79359694200. Its totient is φ = 79327146648.

The previous prime is 79343420417. The next prime is 79343420447. The reversal of 79343420423 is 32402434397.

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 79343420423 - 2¹⁶ = 79343354887 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 (79343420473) 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, 8129573 + ... + 8139326.

It is an arithmetic number, because the mean of its divisors is an integer number (19839923550).

Almost surely, 2^79343420423 is an apocalyptic number.

79343420423 is a deficient number, since it is larger than the sum of its proper divisors (16273777).

79343420423 is a wasteful number, since it uses less digits than its factorization.

79343420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16273776.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 79343420423 in words is "seventy-nine billion, three hundred forty-three million, four hundred twenty thousand, four hundred twenty-three".