670312423 has 12 divisors (see below), whose sum is σ = 748673928. Its totient is φ = 595185360.

The previous prime is 670312373. The next prime is 670312427. The reversal of 670312423 is 324213076.

It is a de Polignac number, because none of the positive numbers 2^k-670312423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670312391 and 670312400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670312427) 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 in 11 ways as a sum of consecutive naturals, for example, 3861 + ... + 36817.

It is an arithmetic number, because the mean of its divisors is an integer number (62389494).

Almost surely, 2^670312423 is an apocalyptic number.

670312423 is a deficient number, since it is larger than the sum of its proper divisors (78361505).

670312423 is a wasteful number, since it uses less digits than its factorization.

670312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33054 (or 33011 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 670312423 is about 25890.3924844719. The cubic root of 670312423 is about 875.1700014721.

Adding to 670312423 its reverse (324213076), we get a palindrome (994525499).

The spelling of 670312423 in words is "six hundred seventy million, three hundred twelve thousand, four hundred twenty-three".