343254121 has 16 divisors (see below), whose sum is σ = 407197440. Its totient is φ = 283106880.

The previous prime is 343254101. The next prime is 343254151. The reversal of 343254121 is 121452343.

It is not a de Polignac number, because 343254121 - 2²⁷ = 209036393 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343254101) 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, 60415 + ... + 65851.

It is an arithmetic number, because the mean of its divisors is an integer number (25449840).

Almost surely, 2^343254121 is an apocalyptic number.

It is an amenable number.

343254121 is a deficient number, since it is larger than the sum of its proper divisors (63943319).

343254121 is a wasteful number, since it uses less digits than its factorization.

343254121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784.

The product of its digits is 2880, while the sum is 25.

The square root of 343254121 is about 18527.1185293342. The cubic root of 343254121 is about 700.1728287539.

The spelling of 343254121 in words is "three hundred forty-three million, two hundred fifty-four thousand, one hundred twenty-one".