6666669000023 has 2 divisors, whose sum is σ = 6666669000024. Its totient is φ = 6666669000022.

The previous prime is 6666668999971. The next prime is 6666669000059. The reversal of 6666669000023 is 3200009666666.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6666669000023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6666669000923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333334500011 + 3333334500012.

It is an arithmetic number, because the mean of its divisors is an integer number (3333334500012).

Almost surely, 2^{6666669000023} is an apocalyptic number.

6666669000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666669000023 is an equidigital number, since it uses as much as digits as its factorization.

6666669000023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 6666669000023 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-nine million, twenty-three", and thus it is an aban number.