23020303209949 has 2 divisors, whose sum is σ = 23020303209950. Its totient is φ = 23020303209948.

The previous prime is 23020303209947. The next prime is 23020303210001. The reversal of 23020303209949 is 94990230302032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15913317722500 + 7106985487449 = 3989150^2 + 2665893^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020303209949 - 2¹ = 23020303209947 is a prime.

Together with 23020303209947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23020303209899 and 23020303209908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23020303209947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510151604974 + 11510151604975.

It is an arithmetic number, because the mean of its divisors is an integer number (11510151604975).

Almost surely, 2^{23020303209949} is an apocalyptic number.

It is an amenable number.

23020303209949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020303209949 is an equidigital number, since it uses as much as digits as its factorization.

23020303209949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 23020303209949 in words is "twenty-three trillion, twenty billion, three hundred three million, two hundred nine thousand, nine hundred forty-nine".