355240330513423 has 4 divisors (see below), whose sum is σ = 366699696013888. Its totient is φ = 343780965012960.

The previous prime is 355240330513381. The next prime is 355240330513529. The reversal of 355240330513423 is 324315033042553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 355240330513423 - 2³⁷ = 355102891559951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355240330513423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355240330513823) 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, 5729682750186 + ... + 5729682750247.

It is an arithmetic number, because the mean of its divisors is an integer number (91674924003472).

Almost surely, 2^{355240330513423} is an apocalyptic number.

355240330513423 is a deficient number, since it is larger than the sum of its proper divisors (11459365500465).

355240330513423 is a wasteful number, since it uses less digits than its factorization.

355240330513423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459365500464.

The product of its (nonzero) digits is 1944000, while the sum is 43.

Adding to 355240330513423 its reverse (324315033042553), we get a palindrome (679555363555976).

The spelling of 355240330513423 in words is "three hundred fifty-five trillion, two hundred forty billion, three hundred thirty million, five hundred thirteen thousand, four hundred twenty-three".