23644065060653 has 4 divisors (see below), whose sum is σ = 25034892417180. Its totient is φ = 22253237704128.

The previous prime is 23644065060617. The next prime is 23644065060667. The reversal of 23644065060653 is 35606056044632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20888720694724 + 2755344365929 = 4570418^2 + 1659923^2 .

It is a cyclic number.

It is not a de Polignac number, because 23644065060653 - 2¹⁸ = 23644064798509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23644065068653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695413678238 + ... + 695413678271.

It is an arithmetic number, because the mean of its divisors is an integer number (6258723104295).

Almost surely, 2^{23644065060653} is an apocalyptic number.

It is an amenable number.

23644065060653 is a deficient number, since it is larger than the sum of its proper divisors (1390827356527).

23644065060653 is a wasteful number, since it uses less digits than its factorization.

23644065060653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390827356526.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 23644065060653 in words is "twenty-three trillion, six hundred forty-four billion, sixty-five million, sixty thousand, six hundred fifty-three".