68420323 has 2 divisors, whose sum is σ = 68420324. Its totient is φ = 68420322.

The previous prime is 68420321. The next prime is 68420347. The reversal of 68420323 is 32302486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68420323 - 2¹ = 68420321 is a prime.

Together with 68420321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 68420291 and 68420300.

It is not a weakly prime, because it can be changed into another prime (68420321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34210161 + 34210162.

It is an arithmetic number, because the mean of its divisors is an integer number (34210162).

Almost surely, 2^68420323 is an apocalyptic number.

68420323 is a deficient number, since it is larger than the sum of its proper divisors (1).

68420323 is an equidigital number, since it uses as much as digits as its factorization.

68420323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 68420323 is about 8271.6578144892. The cubic root of 68420323 is about 409.0047703606.

The spelling of 68420323 in words is "sixty-eight million, four hundred twenty thousand, three hundred twenty-three".