355033400243 has 4 divisors (see below), whose sum is σ = 357016827240. Its totient is φ = 353049973248.

The previous prime is 355033400233. The next prime is 355033400263. The reversal of 355033400243 is 342004330553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342004330553 = 23087 ⋅14813719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355033400243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355033400213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991713230 + ... + 991713587.

It is an arithmetic number, because the mean of its divisors is an integer number (89254206810).

Almost surely, 2^355033400243 is an apocalyptic number.

355033400243 is a deficient number, since it is larger than the sum of its proper divisors (1983426997).

355033400243 is a wasteful number, since it uses less digits than its factorization.

355033400243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983426996.

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 355033400243 its reverse (342004330553), we get a palindrome (697037730796).

The spelling of 355033400243 in words is "three hundred fifty-five billion, thirty-three million, four hundred thousand, two hundred forty-three".