351423561512 has 16 divisors (see below), whose sum is σ = 669721132500. Its totient is φ = 172831259520.

The previous prime is 351423561497. The next prime is 351423561529. The reversal of 351423561512 is 215165324153.

It can be written as a sum of positive squares in 2 ways, for example, as 321926872996 + 29496688516 = 567386^2 + 171746^2 .

It is a super-2 number, since 2×351423561512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360064637 + ... + 360065612.

Almost surely, 2^351423561512 is an apocalyptic number.

It is an amenable number.

351423561512 is a deficient number, since it is larger than the sum of its proper divisors (318297570988).

351423561512 is a wasteful number, since it uses less digits than its factorization.

351423561512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720130316 (or 720130312 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

Adding to 351423561512 its reverse (215165324153), we get a palindrome (566588885665).

The spelling of 351423561512 in words is "three hundred fifty-one billion, four hundred twenty-three million, five hundred sixty-one thousand, five hundred twelve".