123123141 has 12 divisors (see below), whose sum is σ = 179606700. Its totient is φ = 81268800.

The previous prime is 123123137. The next prime is 123123151. The reversal of 123123141 is 141321321.

It can be written as a sum of positive squares in 2 ways, for example, as 121550625 + 1572516 = 11025^2 + 1254^2 .

It is not a de Polignac number, because 123123141 - 2² = 123123137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66816 + ... + 68633.

It is an arithmetic number, because the mean of its divisors is an integer number (14967225).

Almost surely, 2^123123141 is an apocalyptic number.

It is an amenable number.

123123141 is a deficient number, since it is larger than the sum of its proper divisors (56483559).

123123141 is a wasteful number, since it uses less digits than its factorization.

123123141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135556 (or 135553 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 123123141 is about 11096.0867426314. The cubic root of 123123141 is about 497.4848910001.

Adding to 123123141 its reverse (141321321), we get a palindrome (264444462).

The spelling of 123123141 in words is "one hundred twenty-three million, one hundred twenty-three thousand, one hundred forty-one".