23000066066 has 4 divisors (see below), whose sum is σ = 34500099102. Its totient is φ = 11500033032.

The previous prime is 23000066053. The next prime is 23000066069. The reversal of 23000066066 is 66066000032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19972755625 + 3027310441 = 141325^2 + 55021^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23000066069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750016515 + ... + 5750016518.

Almost surely, 2^23000066066 is an apocalyptic number.

23000066066 is a deficient number, since it is larger than the sum of its proper divisors (11500033036).

23000066066 is a wasteful number, since it uses less digits than its factorization.

23000066066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500033035.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 23000066066 its reverse (66066000032), we get a palindrome (89066066098).

The spelling of 23000066066 in words is "twenty-three billion, sixty-six thousand, sixty-six".