9144040123 has 8 divisors (see below), whose sum is σ = 9220400640. Its totient is φ = 9067779240.

The previous prime is 9144040099. The next prime is 9144040163. The reversal of 9144040123 is 3210404419.

9144040123 is digitally balanced in base 2 and base 3, because in such bases 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 a de Polignac number, because none of the positive numbers 2^k-9144040123 is a prime.

It is a super-2 number, since 2×9144040123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9144040091 and 9144040100.

It is not an unprimeable number, because it can be changed into a prime (9144040163) 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, 165438 + ... + 213676.

It is an arithmetic number, because the mean of its divisors is an integer number (1152550080).

Almost surely, 2^9144040123 is an apocalyptic number.

9144040123 is a deficient number, since it is larger than the sum of its proper divisors (76360517).

9144040123 is a wasteful number, since it uses less digits than its factorization.

9144040123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49817.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 9144040123 is about 95624.4744979025. The cubic root of 9144040123 is about 2091.1220155343.

The spelling of 9144040123 in words is "nine billion, one hundred forty-four million, forty thousand, one hundred twenty-three".