353320135356243 has 64 divisors (see below), whose sum is σ = 556632772830720. Its totient is φ = 197064975744000.

The previous prime is 353320135356233. The next prime is 353320135356277. The reversal of 353320135356243 is 342653531023353.

It is a happy number.

It is not a de Polignac number, because 353320135356243 - 2⁸ = 353320135355987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353320135356192 and 353320135356201.

It is not an unprimeable number, because it can be changed into a prime (353320135356203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49278546 + ... + 55991207.

It is an arithmetic number, because the mean of its divisors is an integer number (8697387075480).

Almost surely, 2^{353320135356243} is an apocalyptic number.

353320135356243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

353320135356243 is a deficient number, since it is larger than the sum of its proper divisors (203312637474477).

353320135356243 is a wasteful number, since it uses less digits than its factorization.

353320135356243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105269940.

The product of its (nonzero) digits is 8748000, while the sum is 48.

Adding to 353320135356243 its reverse (342653531023353), we get a palindrome (695973666379596).

The spelling of 353320135356243 in words is "three hundred fifty-three trillion, three hundred twenty billion, one hundred thirty-five million, three hundred fifty-six thousand, two hundred forty-three".