670423503 has 8 divisors (see below), whose sum is σ = 894240000. Its totient is φ = 446778008.

The previous prime is 670423487. The next prime is 670423511. The reversal of 670423503 is 305324076.

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

It is a cyclic number.

It is not a de Polignac number, because 670423503 - 2⁴ = 670423487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670423583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33303 + ... + 49496.

It is an arithmetic number, because the mean of its divisors is an integer number (111780000).

Almost surely, 2^670423503 is an apocalyptic number.

670423503 is a deficient number, since it is larger than the sum of its proper divisors (223816497).

670423503 is a wasteful number, since it uses less digits than its factorization.

670423503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85501.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 670423503 is about 25892.5375929050. The cubic root of 670423503 is about 875.2183413760.

Adding to 670423503 its reverse (305324076), we get a palindrome (975747579).

The spelling of 670423503 in words is "six hundred seventy million, four hundred twenty-three thousand, five hundred three".