123140243241 has 48 divisors (see below), whose sum is σ = 188213076480. Its totient is φ = 77458913280.

The previous prime is 123140243209. The next prime is 123140243273. The reversal of 123140243241 is 142342041321.

123140243241 is a `hidden beast` number, since 1 + 2 + 314 + 0 + 24 + 324 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (123140243209) and next prime (123140243273).

It is not a de Polignac number, because 123140243241 - 2⁵ = 123140243209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123140243141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6913375 + ... + 6931163.

It is an arithmetic number, because the mean of its divisors is an integer number (3921105760).

Almost surely, 2^123140243241 is an apocalyptic number.

It is an amenable number.

123140243241 is a deficient number, since it is larger than the sum of its proper divisors (65072833239).

123140243241 is a wasteful number, since it uses less digits than its factorization.

123140243241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18446 (or 18443 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 123140243241 its reverse (142342041321), we get a palindrome (265482284562).

The spelling of 123140243241 in words is "one hundred twenty-three billion, one hundred forty million, two hundred forty-three thousand, two hundred forty-one".