343140233 has 4 divisors (see below), whose sum is σ = 343240260. Its totient is φ = 343040208.

The previous prime is 343140199. The next prime is 343140251. The reversal of 343140233 is 332041343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332041343 = 53 ⋅6264931.

It can be written as a sum of positive squares in 2 ways, for example, as 55905529 + 287234704 = 7477^2 + 16948^2 .

It is a cyclic number.

It is not a de Polignac number, because 343140233 - 2¹² = 343136137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343140199 and 343140208.

It is not an unprimeable number, because it can be changed into a prime (343140253) 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, 44678 + ... + 51791.

It is an arithmetic number, because the mean of its divisors is an integer number (85810065).

Almost surely, 2^343140233 is an apocalyptic number.

It is an amenable number.

343140233 is a deficient number, since it is larger than the sum of its proper divisors (100027).

343140233 is an equidigital number, since it uses as much as digits as its factorization.

343140233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100026.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 343140233 is about 18524.0447257072. The cubic root of 343140233 is about 700.0953836009.

Adding to 343140233 its reverse (332041343), we get a palindrome (675181576).

The spelling of 343140233 in words is "three hundred forty-three million, one hundred forty thousand, two hundred thirty-three".