68558323 has 2 divisors, whose sum is σ = 68558324. Its totient is φ = 68558322.

The previous prime is 68558317. The next prime is 68558341. The reversal of 68558323 is 32385586.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68558323 is a prime.

It is not a weakly prime, because it can be changed into another prime (68558363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34279161 + 34279162.

It is an arithmetic number, because the mean of its divisors is an integer number (34279162).

Almost surely, 2^68558323 is an apocalyptic number.

68558323 is a deficient number, since it is larger than the sum of its proper divisors (1).

68558323 is an equidigital number, since it uses as much as digits as its factorization.

68558323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 68558323 is about 8279.9953502402. The cubic root of 68558323 is about 409.2795656800.

The spelling of 68558323 in words is "sixty-eight million, five hundred fifty-eight thousand, three hundred twenty-three".