343123022121 has 48 divisors (see below), whose sum is σ = 517787899200. Its totient is φ = 200434339840.

The previous prime is 343123022119. The next prime is 343123022161. The reversal of 343123022121 is 121220321343.

It is not a de Polignac number, because 343123022121 - 2¹ = 343123022119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 343123022091 and 343123022100.

It is not an unprimeable number, because it can be changed into a prime (343123022101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16447105 + ... + 16467953.

It is an arithmetic number, because the mean of its divisors is an integer number (10787247900).

Almost surely, 2^343123022121 is an apocalyptic number.

It is an amenable number.

343123022121 is a deficient number, since it is larger than the sum of its proper divisors (174664877079).

343123022121 is a wasteful number, since it uses less digits than its factorization.

343123022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21514 (or 21485 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 343123022121 its reverse (121220321343), we get a palindrome (464343343464).

The spelling of 343123022121 in words is "three hundred forty-three billion, one hundred twenty-three million, twenty-two thousand, one hundred twenty-one".