23101002313021 has 2 divisors, whose sum is σ = 23101002313022. Its totient is φ = 23101002313020.

The previous prime is 23101002313013. The next prime is 23101002313049. The reversal of 23101002313021 is 12031320010132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12792317923225 + 10308684389796 = 3576635^2 + 3210714^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101002313021 - 2³ = 23101002313013 is a prime.

It is a super-2 number, since 2×23101002313021² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23101002313021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101002313001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550501156510 + 11550501156511.

It is an arithmetic number, because the mean of its divisors is an integer number (11550501156511).

Almost surely, 2^{23101002313021} is an apocalyptic number.

It is an amenable number.

23101002313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101002313021 is an equidigital number, since it uses as much as digits as its factorization.

23101002313021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23101002313021 its reverse (12031320010132), we get a palindrome (35132322323153).

The spelling of 23101002313021 in words is "twenty-three trillion, one hundred one billion, two million, three hundred thirteen thousand, twenty-one".