340233343 has 2 divisors, whose sum is σ = 340233344. Its totient is φ = 340233342.

The previous prime is 340233269. The next prime is 340233373. The reversal of 340233343 is 343332043.

It is a strong prime.

It is an emirp because it is prime and its reverse (343332043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340233343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340233373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170116671 + 170116672.

It is an arithmetic number, because the mean of its divisors is an integer number (170116672).

Almost surely, 2^340233343 is an apocalyptic number.

340233343 is a deficient number, since it is larger than the sum of its proper divisors (1).

340233343 is an equidigital number, since it uses as much as digits as its factorization.

340233343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 25.

The square root of 340233343 is about 18445.4152298071. The cubic root of 340233343 is about 698.1128372901.

Adding to 340233343 its reverse (343332043), we get a palindrome (683565386).

The spelling of 340233343 in words is "three hundred forty million, two hundred thirty-three thousand, three hundred forty-three".