23364535220501 has 4 divisors (see below), whose sum is σ = 23364555242604. Its totient is φ = 23364515198400.

The previous prime is 23364535220387. The next prime is 23364535220527. The reversal of 23364535220501 is 10502253546332.

It is a happy number.

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 19231645452100 + 4132889768401 = 4385390^2 + 2032951^2 .

It is a cyclic number.

It is not a de Polignac number, because 23364535220501 - 2¹⁸ = 23364534958357 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 (23364535220561) 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, 8144660 + ... + 10633181.

It is an arithmetic number, because the mean of its divisors is an integer number (5841138810651).

Almost surely, 2^{23364535220501} is an apocalyptic number.

It is an amenable number.

23364535220501 is a deficient number, since it is larger than the sum of its proper divisors (20022103).

23364535220501 is a wasteful number, since it uses less digits than its factorization.

23364535220501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20022102.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 23364535220501 its reverse (10502253546332), we get a palindrome (33866788766833).

The spelling of 23364535220501 in words is "twenty-three trillion, three hundred sixty-four billion, five hundred thirty-five million, two hundred twenty thousand, five hundred one".