42723009834 has 8 divisors (see below), whose sum is σ = 85446019680. Its totient is φ = 14241003276.

The previous prime is 42723009779. The next prime is 42723009851. The reversal of 42723009834 is 43890032724.

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

42723009834 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560250814 + ... + 3560250825.

It is an arithmetic number, because the mean of its divisors is an integer number (10680752460).

Almost surely, 2^42723009834 is an apocalyptic number.

42723009834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42723009834 is a wasteful number, since it uses less digits than its factorization.

42723009834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120501644.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 42723009834 in words is "forty-two billion, seven hundred twenty-three million, nine thousand, eight hundred thirty-four".