8640055123 has 8 divisors (see below), whose sum is σ = 9891466592. Its totient is φ = 7392923136.

The previous prime is 8640055121. The next prime is 8640055139. The reversal of 8640055123 is 3215500468.

8640055123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8640055123 - 2¹ = 8640055121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8640055121) 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 7 ways as a sum of consecutive naturals, for example, 1065540 + ... + 1073617.

It is an arithmetic number, because the mean of its divisors is an integer number (1236433324).

Almost surely, 2^8640055123 is an apocalyptic number.

8640055123 is a deficient number, since it is larger than the sum of its proper divisors (1251411469).

8640055123 is a wasteful number, since it uses less digits than its factorization.

8640055123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139741.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 8640055123 is about 92951.8968230342. The cubic root of 8640055123 is about 2051.9754998455.

The spelling of 8640055123 in words is "eight billion, six hundred forty million, fifty-five thousand, one hundred twenty-three".