23666666901443 has 2 divisors, whose sum is σ = 23666666901444. Its totient is φ = 23666666901442.

The previous prime is 23666666901347. The next prime is 23666666901473. The reversal of 23666666901443 is 34410966666632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23666666901443 - 2²⁶ = 23666599792579 is a prime.

It is a super-2 number, since 2×23666666901443² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23666666901473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11833333450721 + 11833333450722.

It is an arithmetic number, because the mean of its divisors is an integer number (11833333450722).

Almost surely, 2^{23666666901443} is an apocalyptic number.

23666666901443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23666666901443 is an equidigital number, since it uses as much as digits as its factorization.

23666666901443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120932352, while the sum is 62.

The spelling of 23666666901443 in words is "twenty-three trillion, six hundred sixty-six billion, six hundred sixty-six million, nine hundred one thousand, four hundred forty-three".