671130023 has 2 divisors, whose sum is σ = 671130024. Its totient is φ = 671130022.

The previous prime is 671130011. The next prime is 671130059. The reversal of 671130023 is 320031176.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671130023 - 2⁴ = 671130007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671130623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335565011 + 335565012.

It is an arithmetic number, because the mean of its divisors is an integer number (335565012).

Almost surely, 2^671130023 is an apocalyptic number.

671130023 is a deficient number, since it is larger than the sum of its proper divisors (1).

671130023 is an equidigital number, since it uses as much as digits as its factorization.

671130023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 671130023 is about 25906.1773135289. The cubic root of 671130023 is about 875.5256805278.

Adding to 671130023 its reverse (320031176), we get a palindrome (991161199).

The spelling of 671130023 in words is "six hundred seventy-one million, one hundred thirty thousand, twenty-three".