144040112123 has 4 divisors (see below), whose sum is σ = 144293258760. Its totient is φ = 143786965488.

The previous prime is 144040112113. The next prime is 144040112129. The reversal of 144040112123 is 321211040441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321211040441 = 429271 ⋅748271.

It is a cyclic number.

It is not a de Polignac number, because 144040112123 - 2⁶ = 144040112059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144040112129) 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 3 ways as a sum of consecutive naturals, for example, 126572465 + ... + 126573602.

It is an arithmetic number, because the mean of its divisors is an integer number (36073314690).

Almost surely, 2^144040112123 is an apocalyptic number.

144040112123 is a deficient number, since it is larger than the sum of its proper divisors (253146637).

144040112123 is an equidigital number, since it uses as much as digits as its factorization.

144040112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253146636.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 144040112123 its reverse (321211040441), we get a palindrome (465251152564).

The spelling of 144040112123 in words is "one hundred forty-four billion, forty million, one hundred twelve thousand, one hundred twenty-three".