8981442723 has 16 divisors (see below), whose sum is σ = 13367730816. Its totient is φ = 5316709440.

The previous prime is 8981442689. The next prime is 8981442733. The reversal of 8981442723 is 3272441898.

8981442723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8981442723 - 2⁸ = 8981442467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8981442733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3163290 + ... + 3166127.

It is an arithmetic number, because the mean of its divisors is an integer number (835483176).

Almost surely, 2^8981442723 is an apocalyptic number.

8981442723 is a deficient number, since it is larger than the sum of its proper divisors (4386288093).

8981442723 is a wasteful number, since it uses less digits than its factorization.

8981442723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329474.

The product of its digits is 774144, while the sum is 48.

The square root of 8981442723 is about 94770.4738987835. The cubic root of 8981442723 is about 2078.6531840656.

The spelling of 8981442723 in words is "eight billion, nine hundred eighty-one million, four hundred forty-two thousand, seven hundred twenty-three".