670151423 has 2 divisors, whose sum is σ = 670151424. Its totient is φ = 670151422.

The previous prime is 670151393. The next prime is 670151479. The reversal of 670151423 is 324151076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670151423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670151723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335075711 + 335075712.

It is an arithmetic number, because the mean of its divisors is an integer number (335075712).

Almost surely, 2^670151423 is an apocalyptic number.

670151423 is a deficient number, since it is larger than the sum of its proper divisors (1).

670151423 is an equidigital number, since it uses as much as digits as its factorization.

670151423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 670151423 is about 25887.2830362709. The cubic root of 670151423 is about 875.0999278528.

The spelling of 670151423 in words is "six hundred seventy million, one hundred fifty-one thousand, four hundred twenty-three".