23364525320561 has 8 divisors (see below), whose sum is σ = 23646908127360. Its totient is φ = 23082163525872.

The previous prime is 23364525320557. The next prime is 23364525320569. The reversal of 23364525320561 is 16502352546332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23364525320561 - 2² = 23364525320557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23364525320569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009926 + ... + 7469183.

It is an arithmetic number, because the mean of its divisors is an integer number (2955863515920).

Almost surely, 2^{23364525320561} is an apocalyptic number.

It is an amenable number.

23364525320561 is a deficient number, since it is larger than the sum of its proper divisors (282382806799).

23364525320561 is a wasteful number, since it uses less digits than its factorization.

23364525320561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506055.

The product of its (nonzero) digits is 3888000, while the sum is 47.

Adding to 23364525320561 its reverse (16502352546332), we get a palindrome (39866877866893).

The spelling of 23364525320561 in words is "twenty-three trillion, three hundred sixty-four billion, five hundred twenty-five million, three hundred twenty thousand, five hundred sixty-one".