670015995323 has 2 divisors, whose sum is σ = 670015995324. Its totient is φ = 670015995322.

The previous prime is 670015995247. The next prime is 670015995343. The reversal of 670015995323 is 323599510076.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670015995323 is a prime.

It is not a weakly prime, because it can be changed into another prime (670015995343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335007997661 + 335007997662.

It is an arithmetic number, because the mean of its divisors is an integer number (335007997662).

Almost surely, 2^670015995323 is an apocalyptic number.

670015995323 is a deficient number, since it is larger than the sum of its proper divisors (1).

670015995323 is an equidigital number, since it uses as much as digits as its factorization.

670015995323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1530900, while the sum is 50.

The spelling of 670015995323 in words is "six hundred seventy billion, fifteen million, nine hundred ninety-five thousand, three hundred twenty-three".