343845231 has 8 divisors (see below), whose sum is σ = 458641920. Its totient is φ = 229139352.

The previous prime is 343845221. The next prime is 343845241. The reversal of 343845231 is 132548343.

It is an interprime number because it is at equal distance from previous prime (343845221) and next prime (343845241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343845231 - 2⁶ = 343845167 is a prime.

It is a super-2 number, since 2×343845231² = 236459085762886722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343845192 and 343845201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343845221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13311 + ... + 29408.

It is an arithmetic number, because the mean of its divisors is an integer number (57330240).

Almost surely, 2^343845231 is an apocalyptic number.

343845231 is a deficient number, since it is larger than the sum of its proper divisors (114796689).

343845231 is a wasteful number, since it uses less digits than its factorization.

343845231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45405.

The product of its digits is 34560, while the sum is 33.

The square root of 343845231 is about 18543.0642289779. The cubic root of 343845231 is about 700.5745154202.

The spelling of 343845231 in words is "three hundred forty-three million, eight hundred forty-five thousand, two hundred thirty-one".