355021855223 has 8 divisors (see below), whose sum is σ = 405856252320. Its totient is φ = 304216705440.

The previous prime is 355021855207. The next prime is 355021855267. The reversal of 355021855223 is 322558120553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355021855223 - 2⁴ = 355021855207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355021855273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7285808 + ... + 7334373.

It is an arithmetic number, because the mean of its divisors is an integer number (50732031540).

Almost surely, 2^355021855223 is an apocalyptic number.

355021855223 is a deficient number, since it is larger than the sum of its proper divisors (50834397097).

355021855223 is a wasteful number, since it uses less digits than its factorization.

355021855223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14623657.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 355021855223 its reverse (322558120553), we get a palindrome (677579975776).

The spelling of 355021855223 in words is "three hundred fifty-five billion, twenty-one million, eight hundred fifty-five thousand, two hundred twenty-three".