123343240433242 has 8 divisors (see below), whose sum is σ = 193058985026016. Its totient is φ = 58990245424572.

The previous prime is 123343240433159. The next prime is 123343240433251. The reversal of 123343240433242 is 242334042343321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123343240433195 and 123343240433204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340687395968 + ... + 1340687396059.

It is an arithmetic number, because the mean of its divisors is an integer number (24132373128252).

Almost surely, 2^{123343240433242} is an apocalyptic number.

123343240433242 is a deficient number, since it is larger than the sum of its proper divisors (69715744592774).

123343240433242 is a wasteful number, since it uses less digits than its factorization.

123343240433242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681374792052.

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 123343240433242 its reverse (242334042343321), we get a palindrome (365677282776563).

The spelling of 123343240433242 in words is "one hundred twenty-three trillion, three hundred forty-three billion, two hundred forty million, four hundred thirty-three thousand, two hundred forty-two".