323211405425 has 24 divisors (see below), whose sum is σ = 409298323320. Its totient is φ = 253132352000.

The previous prime is 323211405383. The next prime is 323211405437. The reversal of 323211405425 is 524504112323.

It can be written as a sum of positive squares in 12 ways, for example, as 155134364641 + 168077040784 = 393871^2 + 409972^2 .

It is not a de Polignac number, because 323211405425 - 2²⁰ = 323210356849 is a prime.

It is a super-2 number, since 2×323211405425² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323211405391 and 323211405400.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 494402 + ... + 943851.

It is an arithmetic number, because the mean of its divisors is an integer number (17054096805).

Almost surely, 2^323211405425 is an apocalyptic number.

It is an amenable number.

323211405425 is a deficient number, since it is larger than the sum of its proper divisors (86086917895).

323211405425 is a wasteful number, since it uses less digits than its factorization.

323211405425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438453 (or 1438448 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 323211405425 its reverse (524504112323), we get a palindrome (847715517748).

The spelling of 323211405425 in words is "three hundred twenty-three billion, two hundred eleven million, four hundred five thousand, four hundred twenty-five".