680267023 has 2 divisors, whose sum is σ = 680267024. Its totient is φ = 680267022.

The previous prime is 680266987. The next prime is 680267041. The reversal of 680267023 is 320762086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680267023 is a prime.

It is equal to p_35283148 and since 680267023 and 35283148 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680267023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680267083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340133511 + 340133512.

It is an arithmetic number, because the mean of its divisors is an integer number (340133512).

Almost surely, 2^680267023 is an apocalyptic number.

680267023 is a deficient number, since it is larger than the sum of its proper divisors (1).

680267023 is an equidigital number, since it uses as much as digits as its factorization.

680267023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 680267023 is about 26081.9290505898. The cubic root of 680267023 is about 879.4810227656.

The spelling of 680267023 in words is "six hundred eighty million, two hundred sixty-seven thousand, twenty-three".