1067666423 has 2 divisors, whose sum is σ = 1067666424. Its totient is φ = 1067666422.

The previous prime is 1067666399. The next prime is 1067666441. The reversal of 1067666423 is 3246667601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1067666423 - 2⁸ = 1067666167 is a prime.

It is a super-2 number, since 2×1067666423² = 2279823181603229858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067666123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533833211 + 533833212.

It is an arithmetic number, because the mean of its divisors is an integer number (533833212).

Almost surely, 2^1067666423 is an apocalyptic number.

1067666423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067666423 is an equidigital number, since it uses as much as digits as its factorization.

1067666423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 1067666423 is about 32675.1652329411. The cubic root of 1067666423 is about 1022.0650279739.

The spelling of 1067666423 in words is "one billion, sixty-seven million, six hundred sixty-six thousand, four hundred twenty-three".