23121320301 has 6 divisors (see below), whose sum is σ = 33397462670. Its totient is φ = 15414213528.

The previous prime is 23121320269. The next prime is 23121320347. The reversal of 23121320301 is 10302312132.

23121320301 is a `hidden beast` number, since 2 + 312 + 1 + 320 + 30 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22111987401 + 1009332900 = 148701^2 + 31770^2 .

It is not a de Polignac number, because 23121320301 - 2⁵ = 23121320269 is a prime.

It is a super-2 number, since 2×23121320301² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121320371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284517786 + ... + 1284517803.

Almost surely, 2^23121320301 is an apocalyptic number.

It is an amenable number.

23121320301 is a deficient number, since it is larger than the sum of its proper divisors (10276142369).

23121320301 is a wasteful number, since it uses less digits than its factorization.

23121320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569035595 (or 2569035592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23121320301 its reverse (10302312132), we get a palindrome (33423632433).

The spelling of 23121320301 in words is "twenty-three billion, one hundred twenty-one million, three hundred twenty thousand, three hundred one".