123110043142 has 32 divisors (see below), whose sum is σ = 186342073344. Its totient is φ = 60999523200.

The previous prime is 123110043113. The next prime is 123110043151. The reversal of 123110043142 is 241340011321.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 139738542 + ... + 139739422.

It is an arithmetic number, because the mean of its divisors is an integer number (5823189792).

Almost surely, 2^123110043142 is an apocalyptic number.

123110043142 is a deficient number, since it is larger than the sum of its proper divisors (63232030202).

123110043142 is a wasteful number, since it uses less digits than its factorization.

123110043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123110043142 its reverse (241340011321), we get a palindrome (364450054463).

The spelling of 123110043142 in words is "one hundred twenty-three billion, one hundred ten million, forty-three thousand, one hundred forty-two".