68111443 has 2 divisors, whose sum is σ = 68111444. Its totient is φ = 68111442.

The previous prime is 68111431. The next prime is 68111473. The reversal of 68111443 is 34411186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68111443 - 2²⁵ = 34557011 is a prime.

It is not a weakly prime, because it can be changed into another prime (68111473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34055721 + 34055722.

It is an arithmetic number, because the mean of its divisors is an integer number (34055722).

Almost surely, 2^68111443 is an apocalyptic number.

68111443 is a deficient number, since it is larger than the sum of its proper divisors (1).

68111443 is an equidigital number, since it uses as much as digits as its factorization.

68111443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 68111443 is about 8252.9657093678. The cubic root of 68111443 is about 408.3883649093.

The spelling of 68111443 in words is "sixty-eight million, one hundred eleven thousand, four hundred forty-three".