23642211066573 has 16 divisors (see below), whose sum is σ = 34388985945600. Its totient is φ = 14328481391280.

The previous prime is 23642211066569. The next prime is 23642211066581. The reversal of 23642211066573 is 37566011224632.

It is a happy number.

It is not a de Polignac number, because 23642211066573 - 2² = 23642211066569 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642211066973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432048 + ... + 6889926.

It is an arithmetic number, because the mean of its divisors is an integer number (2149311621600).

Almost surely, 2^{23642211066573} is an apocalyptic number.

It is an amenable number.

23642211066573 is a deficient number, since it is larger than the sum of its proper divisors (10746774879027).

23642211066573 is a wasteful number, since it uses less digits than its factorization.

23642211066573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568832.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 23642211066573 in words is "twenty-three trillion, six hundred forty-two billion, two hundred eleven million, sixty-six thousand, five hundred seventy-three".