123101124143 has 2 divisors, whose sum is σ = 123101124144. Its totient is φ = 123101124142.

The previous prime is 123101124131. The next prime is 123101124161. The reversal of 123101124143 is 341421101321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123101124143 - 2¹² = 123101120047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123101124103) 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, 61550562071 + 61550562072.

It is an arithmetic number, because the mean of its divisors is an integer number (61550562072).

Almost surely, 2^123101124143 is an apocalyptic number.

123101124143 is a deficient number, since it is larger than the sum of its proper divisors (1).

123101124143 is an equidigital number, since it uses as much as digits as its factorization.

123101124143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 123101124143 its reverse (341421101321), we get a palindrome (464522225464).

The spelling of 123101124143 in words is "one hundred twenty-three billion, one hundred one million, one hundred twenty-four thousand, one hundred forty-three".