426868299456223 has 2 divisors, whose sum is σ = 426868299456224. Its totient is φ = 426868299456222.

The previous prime is 426868299456167. The next prime is 426868299456239. The reversal of 426868299456223 is 322654992868624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426868299456223 - 2⁴⁵ = 391683927367391 is a prime.

It is a super-3 number, since 3×426868299456223³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426868299456223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426868299456253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213434149728111 + 213434149728112.

It is an arithmetic number, because the mean of its divisors is an integer number (213434149728112).

Almost surely, 2^{426868299456223} is an apocalyptic number.

426868299456223 is a deficient number, since it is larger than the sum of its proper divisors (1).

426868299456223 is an equidigital number, since it uses as much as digits as its factorization.

426868299456223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4299816960, while the sum is 76.

The spelling of 426868299456223 in words is "four hundred twenty-six trillion, eight hundred sixty-eight billion, two hundred ninety-nine million, four hundred fifty-six thousand, two hundred twenty-three".