123142001611 has 2 divisors, whose sum is σ = 123142001612. Its totient is φ = 123142001610.

The previous prime is 123142001603. The next prime is 123142001693. The reversal of 123142001611 is 116100241321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123142001611 - 2³ = 123142001603 is a prime.

It is not a weakly prime, because it can be changed into another prime (123142001011) 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 as a sum of consecutive naturals, namely, 61571000805 + 61571000806.

It is an arithmetic number, because the mean of its divisors is an integer number (61571000806).

Almost surely, 2^123142001611 is an apocalyptic number.

123142001611 is a deficient number, since it is larger than the sum of its proper divisors (1).

123142001611 is an equidigital number, since it uses as much as digits as its factorization.

123142001611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 123142001611 its reverse (116100241321), we get a palindrome (239242242932).

The spelling of 123142001611 in words is "one hundred twenty-three billion, one hundred forty-two million, one thousand, six hundred eleven".