23465890666 has 8 divisors (see below), whose sum is σ = 35200667844. Its totient is φ = 11732334720.

The previous prime is 23465890639. The next prime is 23465890673. The reversal of 23465890666 is 66609856432.

It can be written as a sum of positive squares in 2 ways, for example, as 18016350625 + 5449540041 = 134225^2 + 73821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255655 + ... + 335098.

Almost surely, 2^23465890666 is an apocalyptic number.

23465890666 is a deficient number, since it is larger than the sum of its proper divisors (11734777178).

23465890666 is a wasteful number, since it uses less digits than its factorization.

23465890666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610616.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 23465890666 in words is "twenty-three billion, four hundred sixty-five million, eight hundred ninety thousand, six hundred sixty-six".