545323312323 has 12 divisors (see below), whose sum is σ = 793891507968. Its totient is φ = 360686284560.

The previous prime is 545323312307. The next prime is 545323312357. The reversal of 545323312323 is 323213323545.

545323312323 is a `hidden beast` number, since 5 + 4 + 5 + 323 + 3 + 1 + 2 + 323 = 666.

It is not a de Polignac number, because 545323312323 - 2⁴ = 545323312307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545323312363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238547988 + ... + 238550273.

It is an arithmetic number, because the mean of its divisors is an integer number (66157625664).

Almost surely, 2^545323312323 is an apocalyptic number.

545323312323 is a deficient number, since it is larger than the sum of its proper divisors (248568195645).

545323312323 is a wasteful number, since it uses less digits than its factorization.

545323312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477098394 (or 477098391 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 545323312323 its reverse (323213323545), we get a palindrome (868536635868).

The spelling of 545323312323 in words is "five hundred forty-five billion, three hundred twenty-three million, three hundred twelve thousand, three hundred twenty-three".