323768641 has 8 divisors (see below), whose sum is σ = 374480064. Its totient is φ = 274171920.

The previous prime is 323768633. The next prime is 323768657. The reversal of 323768641 is 146867323.

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 323768641 - 2³ = 323768633 is a prime.

It is a super-2 number, since 2×323768641² = 209652265789973762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323768594 and 323768603.

It is not an unprimeable number, because it can be changed into a prime (323768671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278050 + ... + 279211.

It is an arithmetic number, because the mean of its divisors is an integer number (46810008).

Almost surely, 2^323768641 is an apocalyptic number.

It is an amenable number.

323768641 is a deficient number, since it is larger than the sum of its proper divisors (50711423).

323768641 is an equidigital number, since it uses as much as digits as its factorization.

323768641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557351.

The product of its digits is 145152, while the sum is 40.

The square root of 323768641 is about 17993.5722134322. The cubic root of 323768641 is about 686.6650251582.

It can be divided in two parts, 32 and 3768641, that added together give a palindrome (3768673).

The spelling of 323768641 in words is "three hundred twenty-three million, seven hundred sixty-eight thousand, six hundred forty-one".