4068393390223 has 2 divisors, whose sum is σ = 4068393390224. Its totient is φ = 4068393390222.

The previous prime is 4068393390179. The next prime is 4068393390253. The reversal of 4068393390223 is 3220933938604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4068393390223 is a prime.

It is a super-2 number, since 2×4068393390223² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4068393390253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034196695111 + 2034196695112.

It is an arithmetic number, because the mean of its divisors is an integer number (2034196695112).

Almost surely, 2^{4068393390223} is an apocalyptic number.

4068393390223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4068393390223 is an equidigital number, since it uses as much as digits as its factorization.

4068393390223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 52.

The spelling of 4068393390223 in words is "four trillion, sixty-eight billion, three hundred ninety-three million, three hundred ninety thousand, two hundred twenty-three".