670136323 has 2 divisors, whose sum is σ = 670136324. Its totient is φ = 670136322.

The previous prime is 670136317. The next prime is 670136329. The reversal of 670136323 is 323631076.

670136323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (670136317) and next prime (670136329).

It is a cyclic number.

It is not a de Polignac number, because 670136323 - 2¹⁷ = 670005251 is a prime.

It is not a weakly prime, because it can be changed into another prime (670136329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335068161 + 335068162.

It is an arithmetic number, because the mean of its divisors is an integer number (335068162).

Almost surely, 2^670136323 is an apocalyptic number.

670136323 is a deficient number, since it is larger than the sum of its proper divisors (1).

670136323 is an equidigital number, since it uses as much as digits as its factorization.

670136323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 670136323 is about 25886.9913856361. The cubic root of 670136323 is about 875.0933551551.

Adding to 670136323 its reverse (323631076), we get a palindrome (993767399).

The spelling of 670136323 in words is "six hundred seventy million, one hundred thirty-six thousand, three hundred twenty-three".