355442520343 has 16 divisors (see below), whose sum is σ = 372988627200. Its totient is φ = 338278406400.

The previous prime is 355442520337. The next prime is 355442520347. The reversal of 355442520343 is 343025244553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355442520343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355442520296 and 355442520305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355442520347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13884171 + ... + 13909747.

It is an arithmetic number, because the mean of its divisors is an integer number (23311789200).

Almost surely, 2^355442520343 is an apocalyptic number.

355442520343 is a deficient number, since it is larger than the sum of its proper divisors (17546106857).

355442520343 is a wasteful number, since it uses less digits than its factorization.

355442520343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33018.

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 355442520343 its reverse (343025244553), we get a palindrome (698467764896).

The spelling of 355442520343 in words is "three hundred fifty-five billion, four hundred forty-two million, five hundred twenty thousand, three hundred forty-three".