321474745364523 has 4 divisors (see below), whose sum is σ = 428632993819368. Its totient is φ = 214316496909680.

The previous prime is 321474745364473. The next prime is 321474745364561. The reversal of 321474745364523 is 325463547474123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321474745364523 - 2⁹ = 321474745364011 is a prime.

It is a super-2 number, since 2×321474745364523² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321474745364573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53579124227418 + ... + 53579124227423.

It is an arithmetic number, because the mean of its divisors is an integer number (107158248454842).

Almost surely, 2^{321474745364523} is an apocalyptic number.

321474745364523 is a deficient number, since it is larger than the sum of its proper divisors (107158248454845).

321474745364523 is a wasteful number, since it uses less digits than its factorization.

321474745364523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107158248454844.

The product of its digits is 203212800, while the sum is 60.

The spelling of 321474745364523 in words is "three hundred twenty-one trillion, four hundred seventy-four billion, seven hundred forty-five million, three hundred sixty-four thousand, five hundred twenty-three".