323140043434 has 16 divisors (see below), whose sum is σ = 534727053000. Its totient is φ = 145503959040.

The previous prime is 323140043417. The next prime is 323140043453. The reversal of 323140043434 is 434340041323.

It can be written as a sum of positive squares in 4 ways, for example, as 249403356409 + 73736687025 = 499403^2 + 271545^2 .

It is a junction number, because it is equal to n+sod(n) for n = 323140043396 and 323140043405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151565559 + ... + 151567690.

Almost surely, 2^323140043434 is an apocalyptic number.

323140043434 is a deficient number, since it is larger than the sum of its proper divisors (211587009566).

323140043434 is a wasteful number, since it uses less digits than its factorization.

323140043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303133305.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 323140043434 its reverse (434340041323), we get a palindrome (757480084757).

The spelling of 323140043434 in words is "three hundred twenty-three billion, one hundred forty million, forty-three thousand, four hundred thirty-four".