323030434145 has 4 divisors (see below), whose sum is σ = 387636520980. Its totient is φ = 258424347312.

The previous prime is 323030434141. The next prime is 323030434211. The reversal of 323030434145 is 541434030323.

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 256458177889 + 66572256256 = 506417^2 + 258016^2 .

It is a cyclic number.

It is not a de Polignac number, because 323030434145 - 2² = 323030434141 is a prime.

It is a super-2 number, since 2×323030434145² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (323030434141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32303043410 + ... + 32303043419.

It is an arithmetic number, because the mean of its divisors is an integer number (96909130245).

Almost surely, 2^323030434145 is an apocalyptic number.

It is an amenable number.

323030434145 is a deficient number, since it is larger than the sum of its proper divisors (64606086835).

323030434145 is an equidigital number, since it uses as much as digits as its factorization.

323030434145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64606086834.

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

Adding to 323030434145 its reverse (541434030323), we get a palindrome (864464464468).

The spelling of 323030434145 in words is "three hundred twenty-three billion, thirty million, four hundred thirty-four thousand, one hundred forty-five".