670702123 has 8 divisors (see below), whose sum is σ = 825479648. Its totient is φ = 530665344.

The previous prime is 670702051. The next prime is 670702133. The reversal of 670702123 is 321207076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670702123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670702091 and 670702100.

It is not an unprimeable number, because it can be changed into a prime (670702133) 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 in 7 ways as a sum of consecutive naturals, for example, 3685086 + ... + 3685267.

It is an arithmetic number, because the mean of its divisors is an integer number (103184956).

Almost surely, 2^670702123 is an apocalyptic number.

670702123 is a deficient number, since it is larger than the sum of its proper divisors (154777525).

670702123 is a wasteful number, since it uses less digits than its factorization.

670702123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370373.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 670702123 is about 25897.9173486981. The cubic root of 670702123 is about 875.3395680137.

Adding to 670702123 its reverse (321207076), we get a palindrome (991909199).

The spelling of 670702123 in words is "six hundred seventy million, seven hundred two thousand, one hundred twenty-three".