344240123142242 has 4 divisors (see below), whose sum is σ = 516360184713366. Its totient is φ = 172120061571120.

The previous prime is 344240123142241. The next prime is 344240123142263. The reversal of 344240123142242 is 242241321042443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 246661505222521 + 97578617919721 = 15705461^2 + 9878189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 344240123142196 and 344240123142205.

It is not an unprimeable number, because it can be changed into a prime (344240123142241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86060030785559 + ... + 86060030785562.

Almost surely, 2^{344240123142242} is an apocalyptic number.

344240123142242 is a deficient number, since it is larger than the sum of its proper divisors (172120061571124).

344240123142242 is a wasteful number, since it uses less digits than its factorization.

344240123142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172120061571123.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 344240123142242 its reverse (242241321042443), we get a palindrome (586481444184685).

The spelling of 344240123142242 in words is "three hundred forty-four trillion, two hundred forty billion, one hundred twenty-three million, one hundred forty-two thousand, two hundred forty-two".