670142223 has 12 divisors (see below), whose sum is σ = 968214520. Its totient is φ = 446654736.

The previous prime is 670142219. The next prime is 670142243. The reversal of 670142223 is 322241076.

It is not a de Polignac number, because 670142223 - 2² = 670142219 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 (670142243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55068 + ... + 66126.

Almost surely, 2^670142223 is an apocalyptic number.

670142223 is a deficient number, since it is larger than the sum of its proper divisors (298072297).

670142223 is a wasteful number, since it uses less digits than its factorization.

670142223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798 (or 17795 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 670142223 is about 25887.1053422355. The cubic root of 670142223 is about 875.0959233070.

Adding to 670142223 its reverse (322241076), we get a palindrome (992383299).

The spelling of 670142223 in words is "six hundred seventy million, one hundred forty-two thousand, two hundred twenty-three".