670348223 has 4 divisors (see below), whose sum is σ = 673225488. Its totient is φ = 667470960.

The previous prime is 670348219. The next prime is 670348241. The reversal of 670348223 is 322843076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670348223 - 2² = 670348219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670348213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438283 + ... + 1438748.

It is an arithmetic number, because the mean of its divisors is an integer number (168306372).

Almost surely, 2^670348223 is an apocalyptic number.

670348223 is a deficient number, since it is larger than the sum of its proper divisors (2877265).

670348223 is a wasteful number, since it uses less digits than its factorization.

670348223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877264.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 670348223 is about 25891.0838513956. The cubic root of 670348223 is about 875.1855815346.

It can be divided in two parts, 67034 and 8223, that added together give a palindrome (75257).

The spelling of 670348223 in words is "six hundred seventy million, three hundred forty-eight thousand, two hundred twenty-three".