680216323 has 2 divisors, whose sum is σ = 680216324. Its totient is φ = 680216322.

The previous prime is 680216287. The next prime is 680216417. The reversal of 680216323 is 323612086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680216323 - 2¹⁷ = 680085251 is a prime.

It is a super-3 number, since 3×680216323³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (680216023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340108161 + 340108162.

It is an arithmetic number, because the mean of its divisors is an integer number (340108162).

Almost surely, 2^680216323 is an apocalyptic number.

680216323 is a deficient number, since it is larger than the sum of its proper divisors (1).

680216323 is an equidigital number, since it uses as much as digits as its factorization.

680216323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 680216323 is about 26080.9570951681. The cubic root of 680216323 is about 879.4591731124.

The spelling of 680216323 in words is "six hundred eighty million, two hundred sixteen thousand, three hundred twenty-three".