123443142141 has 16 divisors (see below), whose sum is σ = 179602748928. Its totient is φ = 74793572400.

The previous prime is 123443142089. The next prime is 123443142149. The reversal of 123443142141 is 141241344321.

It is a happy number.

It is not a de Polignac number, because 123443142141 - 2⁶ = 123443142077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123443142099 and 123443142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123443142149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388351 + ... + 630636.

It is an arithmetic number, because the mean of its divisors is an integer number (11225171808).

Almost surely, 2^123443142141 is an apocalyptic number.

123443142141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123443142141 is a deficient number, since it is larger than the sum of its proper divisors (56159606787).

123443142141 is a wasteful number, since it uses less digits than its factorization.

123443142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022672.

The product of its digits is 9216, while the sum is 30.

Adding to 123443142141 its reverse (141241344321), we get a palindrome (264684486462).

The spelling of 123443142141 in words is "one hundred twenty-three billion, four hundred forty-three million, one hundred forty-two thousand, one hundred forty-one".