352321331523 has 16 divisors (see below), whose sum is σ = 537121191936. Its totient is φ = 201232503360.

The previous prime is 352321331473. The next prime is 352321331539. The reversal of 352321331523 is 325133123253.

It is a happy number.

It is not a de Polignac number, because 352321331523 - 2⁶ = 352321331459 is a prime.

It is a super-2 number, since 2×352321331523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (352321331543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3869418 + ... + 3959423.

It is an arithmetic number, because the mean of its divisors is an integer number (33570074496).

Almost surely, 2^352321331523 is an apocalyptic number.

352321331523 is a deficient number, since it is larger than the sum of its proper divisors (184799860413).

352321331523 is a wasteful number, since it uses less digits than its factorization.

352321331523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830994.

The product of its digits is 48600, while the sum is 33.

Adding to 352321331523 its reverse (325133123253), we get a palindrome (677454454776).

The spelling of 352321331523 in words is "three hundred fifty-two billion, three hundred twenty-one million, three hundred thirty-one thousand, five hundred twenty-three".