23205066655 has 8 divisors (see below), whose sum is σ = 27851156784. Its totient is φ = 18560668800.

The previous prime is 23205066641. The next prime is 23205066667. The reversal of 23205066655 is 55666050232.

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

It is not a de Polignac number, because 23205066655 - 2¹⁷ = 23204935583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392701 + ... + 447910.

It is an arithmetic number, because the mean of its divisors is an integer number (3481394598).

Almost surely, 2^23205066655 is an apocalyptic number.

23205066655 is a deficient number, since it is larger than the sum of its proper divisors (4646090129).

23205066655 is an equidigital number, since it uses as much as digits as its factorization.

23205066655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846137.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 23205066655 in words is "twenty-three billion, two hundred five million, sixty-six thousand, six hundred fifty-five".