353215423312 has 20 divisors (see below), whose sum is σ = 684652888116. Its totient is φ = 176530807040.

The previous prime is 353215423279. The next prime is 353215423313. The reversal of 353215423312 is 213324512353.

It can be written as a sum of positive squares in 2 ways, for example, as 126966792976 + 226248630336 = 356324^2 + 475656^2 .

It is a super-2 number, since 2×353215423312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353215423313) 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, 4768639 + ... + 4842142.

Almost surely, 2^353215423312 is an apocalyptic number.

It is an amenable number.

353215423312 is a deficient number, since it is larger than the sum of its proper divisors (331437464804).

353215423312 is a wasteful number, since it uses less digits than its factorization.

353215423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613086 (or 9613080 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

Adding to 353215423312 its reverse (213324512353), we get a palindrome (566539935665).

The spelling of 353215423312 in words is "three hundred fifty-three billion, two hundred fifteen million, four hundred twenty-three thousand, three hundred twelve".