340110643 has 2 divisors, whose sum is σ = 340110644. Its totient is φ = 340110642.

The previous prime is 340110613. The next prime is 340110647. The reversal of 340110643 is 346011043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340110643 is a prime.

It is not a weakly prime, because it can be changed into another prime (340110647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170055321 + 170055322.

It is an arithmetic number, because the mean of its divisors is an integer number (170055322).

Almost surely, 2^340110643 is an apocalyptic number.

340110643 is a deficient number, since it is larger than the sum of its proper divisors (1).

340110643 is an equidigital number, since it uses as much as digits as its factorization.

340110643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 340110643 is about 18442.0889001219. The cubic root of 340110643 is about 698.0289059274.

Adding to 340110643 its reverse (346011043), we get a palindrome (686121686).

The spelling of 340110643 in words is "three hundred forty million, one hundred ten thousand, six hundred forty-three".