123242020141 has 4 divisors (see below), whose sum is σ = 125330868000. Its totient is φ = 121153172284.

The previous prime is 123242020079. The next prime is 123242020163. The reversal of 123242020141 is 141020242321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123242020141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123242021141) 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, 1044423841 + ... + 1044423958.

It is an arithmetic number, because the mean of its divisors is an integer number (31332717000).

Almost surely, 2^123242020141 is an apocalyptic number.

It is an amenable number.

123242020141 is a deficient number, since it is larger than the sum of its proper divisors (2088847859).

123242020141 is an equidigital number, since it uses as much as digits as its factorization.

123242020141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088847858.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 123242020141 its reverse (141020242321), we get a palindrome (264262262462).

The spelling of 123242020141 in words is "one hundred twenty-three billion, two hundred forty-two million, twenty thousand, one hundred forty-one".