670071023 has 2 divisors, whose sum is σ = 670071024. Its totient is φ = 670071022.

The previous prime is 670071019. The next prime is 670071037. The reversal of 670071023 is 320170076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670071023 - 2² = 670071019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670070983 and 670071001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670071823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335035511 + 335035512.

It is an arithmetic number, because the mean of its divisors is an integer number (335035512).

Almost surely, 2^670071023 is an apocalyptic number.

670071023 is a deficient number, since it is larger than the sum of its proper divisors (1).

670071023 is an equidigital number, since it uses as much as digits as its factorization.

670071023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 670071023 is about 25885.7301036691. The cubic root of 670071023 is about 875.0649303653.

The spelling of 670071023 in words is "six hundred seventy million, seventy-one thousand, twenty-three".