243122313442 has 8 divisors (see below), whose sum is σ = 365190681600. Its totient is φ = 121392086244.

The previous prime is 243122313431. The next prime is 243122313457. The reversal of 243122313442 is 244313221342.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84533442 + ... + 84536317.

It is an arithmetic number, because the mean of its divisors is an integer number (45648835200).

Almost surely, 2^243122313442 is an apocalyptic number.

243122313442 is a deficient number, since it is larger than the sum of its proper divisors (122068368158).

243122313442 is a wasteful number, since it uses less digits than its factorization.

243122313442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169070480.

The product of its digits is 27648, while the sum is 31.

Adding to 243122313442 its reverse (244313221342), we get a palindrome (487435534784).

The spelling of 243122313442 in words is "two hundred forty-three billion, one hundred twenty-two million, three hundred thirteen thousand, four hundred forty-two".