123140142325 has 24 divisors (see below), whose sum is σ = 153092576448. Its totient is φ = 98255172480.

The previous prime is 123140142289. The next prime is 123140142329. The reversal of 123140142325 is 523241041321.

It is not a de Polignac number, because 123140142325 - 2⁷ = 123140142197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123140142293 and 123140142302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123140142329) 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 23 ways as a sum of consecutive naturals, for example, 17630784 + ... + 17637766.

It is an arithmetic number, because the mean of its divisors is an integer number (6378857352).

Almost surely, 2^123140142325 is an apocalyptic number.

It is an amenable number.

123140142325 is a deficient number, since it is larger than the sum of its proper divisors (29952434123).

123140142325 is a wasteful number, since it uses less digits than its factorization.

123140142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8733 (or 8728 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123140142325 its reverse (523241041321), we get a palindrome (646381183646).

The spelling of 123140142325 in words is "one hundred twenty-three billion, one hundred forty million, one hundred forty-two thousand, three hundred twenty-five".