323130445553 has 16 divisors (see below), whose sum is σ = 336120226560. Its totient is φ = 310266902400.

The previous prime is 323130445523. The next prime is 323130445571. The reversal of 323130445553 is 355544031323.

It is a cyclic number.

It is not a de Polignac number, because 323130445553 - 2¹⁴ = 323130429169 is a prime.

It is a super-3 number, since 3×323130445553³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (323130445523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970173 + ... + 6024053.

It is an arithmetic number, because the mean of its divisors is an integer number (21007514160).

Almost surely, 2^323130445553 is an apocalyptic number.

It is an amenable number.

323130445553 is a deficient number, since it is larger than the sum of its proper divisors (12989781007).

323130445553 is a wasteful number, since it uses less digits than its factorization.

323130445553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55048.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 323130445553 its reverse (355544031323), we get a palindrome (678674476876).

The spelling of 323130445553 in words is "three hundred twenty-three billion, one hundred thirty million, four hundred forty-five thousand, five hundred fifty-three".