323132140645 has 8 divisors (see below), whose sum is σ = 387879649056. Its totient is φ = 258424992336.

The previous prime is 323132140621. The next prime is 323132140651. The reversal of 323132140645 is 546041231323.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 323132140645 - 2⁵ = 323132140613 is a prime.

It is a super-2 number, since 2×323132140645² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323132140645.

It is a congruent number.

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, 10072407 + ... + 10104436.

It is an arithmetic number, because the mean of its divisors is an integer number (48484956132).

Almost surely, 2^323132140645 is an apocalyptic number.

It is an amenable number.

323132140645 is a deficient number, since it is larger than the sum of its proper divisors (64747508411).

323132140645 is a wasteful number, since it uses less digits than its factorization.

323132140645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20180051.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 323132140645 its reverse (546041231323), we get a palindrome (869173371968).

The spelling of 323132140645 in words is "three hundred twenty-three billion, one hundred thirty-two million, one hundred forty thousand, six hundred forty-five".