323520425325442 has 16 divisors (see below), whose sum is σ = 498399905094840. Its totient is φ = 157387186332288.

The previous prime is 323520425325431. The next prime is 323520425325511. The reversal of 323520425325442 is 244523524025323.

It can be written as a sum of positive squares in 4 ways, for example, as 323015033719161 + 505391606281 = 17972619^2 + 710909^2 .

It is a super-2 number, since 2×323520425325442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323520425325392 and 323520425325401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5241123 + ... + 25971334.

Almost surely, 2^{323520425325442} is an apocalyptic number.

323520425325442 is a deficient number, since it is larger than the sum of its proper divisors (174879479769398).

323520425325442 is a wasteful number, since it uses less digits than its factorization.

323520425325442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31352565.

The product of its (nonzero) digits is 6912000, while the sum is 46.

The spelling of 323520425325442 in words is "three hundred twenty-three trillion, five hundred twenty billion, four hundred twenty-five million, three hundred twenty-five thousand, four hundred forty-two".