144122112012123 has 56 divisors (see below), whose sum is σ = 247301825868000. Its totient is φ = 82239333260544.

The previous prime is 144122112012119. The next prime is 144122112012167. The reversal of 144122112012123 is 321210211221441.

144122112012123 is a `hidden beast` number, since 1 + 4 + 412 + 2 + 1 + 1 + 201 + 21 + 23 = 666.

It is not a de Polignac number, because 144122112012123 - 2² = 144122112012119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (144122112012103) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16299198 + ... + 23535251.

Almost surely, 2^{144122112012123} is an apocalyptic number.

144122112012123 is a deficient number, since it is larger than the sum of its proper divisors (103179713855877).

144122112012123 is an frugal number, since it uses more digits than its factorization.

144122112012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39835183 (or 39835168 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 144122112012123 its reverse (321210211221441), we get a palindrome (465332323233564).

The spelling of 144122112012123 in words is "one hundred forty-four trillion, one hundred twenty-two billion, one hundred twelve million, twelve thousand, one hundred twenty-three".