353123232512 has 54 divisors (see below), whose sum is σ = 712213520508. Its totient is φ = 174740201472.

The previous prime is 353123232503. The next prime is 353123232533. The reversal of 353123232512 is 215232321353.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2335403 + ... + 2482005.

Almost surely, 2^353123232512 is an apocalyptic number.

353123232512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 353123232512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356106760254).

353123232512 is an abundant number, since it is smaller than the sum of its proper divisors (359090287996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353123232512 is an frugal number, since it uses more digits than its factorization.

353123232512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146813 (or 146702 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

Adding to 353123232512 its reverse (215232321353), we get a palindrome (568355553865).

The spelling of 353123232512 in words is "three hundred fifty-three billion, one hundred twenty-three million, two hundred thirty-two thousand, five hundred twelve".