42389028723 has 8 divisors (see below), whose sum is σ = 56623177936. Its totient is φ = 28207116000.

The previous prime is 42389028679. The next prime is 42389028739. The reversal of 42389028723 is 32782098324.

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

It is not a de Polignac number, because 42389028723 - 2⁶ = 42389028659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42389028223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13057228 + ... + 13060473.

It is an arithmetic number, because the mean of its divisors is an integer number (7077897242).

Almost surely, 2^42389028723 is an apocalyptic number.

42389028723 is a deficient number, since it is larger than the sum of its proper divisors (14234149213).

42389028723 is a wasteful number, since it uses less digits than its factorization.

42389028723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26118245.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 42389028723 in words is "forty-two billion, three hundred eighty-nine million, twenty-eight thousand, seven hundred twenty-three".