343233404200221 has 16 divisors (see below), whose sum is σ = 464185924921344. Its totient is φ = 225574528705344.

The previous prime is 343233404200217. The next prime is 343233404200259. The reversal of 343233404200221 is 122002404332343.

It is not a de Polignac number, because 343233404200221 - 2² = 343233404200217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343233404200201) 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, 2868969090 + ... + 2869088723.

It is an arithmetic number, because the mean of its divisors is an integer number (29011620307584).

Almost surely, 2^{343233404200221} is an apocalyptic number.

It is an amenable number.

343233404200221 is a deficient number, since it is larger than the sum of its proper divisors (120952520721123).

343233404200221 is a wasteful number, since it uses less digits than its factorization.

343233404200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738058100.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 343233404200221 its reverse (122002404332343), we get a palindrome (465235808532564).

The spelling of 343233404200221 in words is "three hundred forty-three trillion, two hundred thirty-three billion, four hundred four million, two hundred thousand, two hundred twenty-one".