323220301403045 has 4 divisors (see below), whose sum is σ = 387864361683660. Its totient is φ = 258576241122432.

The previous prime is 323220301403009. The next prime is 323220301403101. The reversal of 323220301403045 is 540304103022323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201376477355524 + 121843824047521 = 14190718^2 + 11038289^2 .

It is a cyclic number.

It is not a de Polignac number, because 323220301403045 - 2¹⁶ = 323220301337509 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 32322030140300 + ... + 32322030140309.

It is an arithmetic number, because the mean of its divisors is an integer number (96966090420915).

Almost surely, 2^{323220301403045} is an apocalyptic number.

It is an amenable number.

323220301403045 is a deficient number, since it is larger than the sum of its proper divisors (64644060280615).

323220301403045 is an equidigital number, since it uses as much as digits as its factorization.

323220301403045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64644060280614.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 323220301403045 its reverse (540304103022323), we get a palindrome (863524404425368).

The spelling of 323220301403045 in words is "three hundred twenty-three trillion, two hundred twenty billion, three hundred one million, four hundred three thousand, forty-five".