670343 has 2 divisors, whose sum is σ = 670344. Its totient is φ = 670342.

The previous prime is 670333. The next prime is 670349. The reversal of 670343 is 343076.

670343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670343 - 2⁶ = 670279 is a prime.

It is a Sophie Germain prime.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670343.

It is not a weakly prime, because it can be changed into another prime (670349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335171 + 335172.

It is an arithmetic number, because the mean of its divisors is an integer number (335172).

2⁶⁷⁰³⁴³ is an apocalyptic number.

670343 is a deficient number, since it is larger than the sum of its proper divisors (1).

670343 is an equidigital number, since it uses as much as digits as its factorization.

670343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 670343 is about 818.7447709757. The cubic root of 670343 is about 87.5183308534.

It can be divided in two parts, 67034 and 3, that multiplied together give a palindrome (201102).

The spelling of 670343 in words is "six hundred seventy thousand, three hundred forty-three".