323140301340442 has 16 divisors (see below), whose sum is σ = 513402217515432. Its totient is φ = 152012872760320.

The previous prime is 323140301340419. The next prime is 323140301340481. The reversal of 323140301340442 is 244043103041323.

It can be written as a sum of positive squares in 4 ways, for example, as 317025467533681 + 6114833806761 = 17805209^2 + 2472819^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 323140301340398 and 323140301340407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660882543 + ... + 1661077090.

Almost surely, 2^{323140301340442} is an apocalyptic number.

323140301340442 is a deficient number, since it is larger than the sum of its proper divisors (190261916174990).

323140301340442 is a wasteful number, since it uses less digits than its factorization.

323140301340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321962513.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 323140301340442 its reverse (244043103041323), we get a palindrome (567183404381765).

The spelling of 323140301340442 in words is "three hundred twenty-three trillion, one hundred forty billion, three hundred one million, three hundred forty thousand, four hundred forty-two".