123423044141 has 2 divisors, whose sum is σ = 123423044142. Its totient is φ = 123423044140.

The previous prime is 123423044099. The next prime is 123423044203. The reversal of 123423044141 is 141440324321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98473578025 + 24949466116 = 313805^2 + 157954^2 .

It is a cyclic number.

It is not a de Polignac number, because 123423044141 - 2¹⁴ = 123423027757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123423044341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711522070 + 61711522071.

It is an arithmetic number, because the mean of its divisors is an integer number (61711522071).

Almost surely, 2^123423044141 is an apocalyptic number.

It is an amenable number.

123423044141 is a deficient number, since it is larger than the sum of its proper divisors (1).

123423044141 is an equidigital number, since it uses as much as digits as its factorization.

123423044141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 123423044141 its reverse (141440324321), we get a palindrome (264863368462).

The spelling of 123423044141 in words is "one hundred twenty-three billion, four hundred twenty-three million, forty-four thousand, one hundred forty-one".