123679012141 has 4 divisors (see below), whose sum is σ = 123712361500. Its totient is φ = 123645662784.

The previous prime is 123679012099. The next prime is 123679012159. The reversal of 123679012141 is 141210976321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141210976321 = 310577 ⋅454673.

It can be written as a sum of positive squares in 2 ways, for example, as 19162588041 + 104516424100 = 138429^2 + 323290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123679012141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123679012141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123679012181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16669116 + ... + 16676533.

It is an arithmetic number, because the mean of its divisors is an integer number (30928090375).

Almost surely, 2^123679012141 is an apocalyptic number.

It is an amenable number.

123679012141 is a deficient number, since it is larger than the sum of its proper divisors (33349359).

123679012141 is an equidigital number, since it uses as much as digits as its factorization.

123679012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33349358.

The product of its (nonzero) digits is 18144, while the sum is 37.

Adding to 123679012141 its reverse (141210976321), we get a palindrome (264889988462).

The spelling of 123679012141 in words is "one hundred twenty-three billion, six hundred seventy-nine million, twelve thousand, one hundred forty-one".