323140140234402 has 32 divisors (see below), whose sum is σ = 646712670240000. Its totient is φ = 107641322773248.

The previous prime is 323140140234389. The next prime is 323140140234437. The reversal of 323140140234402 is 204432041041323.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169552474 + ... + 171447722.

It is an arithmetic number, because the mean of its divisors is an integer number (20209770945000).

Almost surely, 2^{323140140234402} is an apocalyptic number.

323140140234402 is an abundant number, since it is smaller than the sum of its proper divisors (323572530005598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323140140234402 is a wasteful number, since it uses less digits than its factorization.

323140140234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914250.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 323140140234402 its reverse (204432041041323), we get a palindrome (527572181275725).

The spelling of 323140140234402 in words is "three hundred twenty-three trillion, one hundred forty billion, one hundred forty million, two hundred thirty-four thousand, four hundred two".