23653446664 has 8 divisors (see below), whose sum is σ = 44350212510. Its totient is φ = 11826723328.

The previous prime is 23653446613. The next prime is 23653446671. The reversal of 23653446664 is 46664435632.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17069422500 + 6584024164 = 130650^2 + 81142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478340409 + ... + 1478340424.

Almost surely, 2^23653446664 is an apocalyptic number.

It is an amenable number.

23653446664 is a deficient number, since it is larger than the sum of its proper divisors (20696765846).

23653446664 is a wasteful number, since it uses less digits than its factorization.

23653446664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956680839 (or 2956680835 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 49.

The spelling of 23653446664 in words is "twenty-three billion, six hundred fifty-three million, four hundred forty-six thousand, six hundred sixty-four".