23200313021 has 2 divisors, whose sum is σ = 23200313022. Its totient is φ = 23200313020.

The previous prime is 23200312987. The next prime is 23200313023. The reversal of 23200313021 is 12031300232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19883820100 + 3316492921 = 141010^2 + 57589^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200313021 - 2³⁴ = 6020443837 is a prime.

Together with 23200313023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23200313023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600156510 + 11600156511.

It is an arithmetic number, because the mean of its divisors is an integer number (11600156511).

Almost surely, 2^23200313021 is an apocalyptic number.

It is an amenable number.

23200313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23200313021 is an equidigital number, since it uses as much as digits as its factorization.

23200313021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23200313021 its reverse (12031300232), we get a palindrome (35231613253).

The spelling of 23200313021 in words is "twenty-three billion, two hundred million, three hundred thirteen thousand, twenty-one".