670127523 has 24 divisors (see below), whose sum is σ = 985238352. Its totient is φ = 402752448.

The previous prime is 670127519. The next prime is 670127567. The reversal of 670127523 is 325721076.

It is not a de Polignac number, because 670127523 - 2² = 670127519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670127593) 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 23 ways as a sum of consecutive naturals, for example, 67465 + ... + 76757.

It is an arithmetic number, because the mean of its divisors is an integer number (41051598).

Almost surely, 2^670127523 is an apocalyptic number.

670127523 is a deficient number, since it is larger than the sum of its proper divisors (315110829).

670127523 is a wasteful number, since it uses less digits than its factorization.

670127523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395 (or 9352 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 670127523 is about 25886.8214155388. The cubic root of 670127523 is about 875.0895246632.

Adding to 670127523 its reverse (325721076), we get a palindrome (995848599).

The spelling of 670127523 in words is "six hundred seventy million, one hundred twenty-seven thousand, five hundred twenty-three".