23020303010221 has 12 divisors (see below), whose sum is σ = 25718116607932. Its totient is φ = 20584473624000.

The previous prime is 23020303010183. The next prime is 23020303010251. The reversal of 23020303010221 is 12201030302032.

It can be written as a sum of positive squares in 2 ways, for example, as 7430045607721 + 15590257402500 = 2725811^2 + 3948450^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23020303010221 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 (23020303010251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559422440 + ... + 1559437201.

Almost surely, 2^{23020303010221} is an apocalyptic number.

It is an amenable number.

23020303010221 is a deficient number, since it is larger than the sum of its proper divisors (2697813597711).

23020303010221 is a wasteful number, since it uses less digits than its factorization.

23020303010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118859724 (or 3118859713 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23020303010221 its reverse (12201030302032), we get a palindrome (35221333312253).

The spelling of 23020303010221 in words is "twenty-three trillion, twenty billion, three hundred three million, ten thousand, two hundred twenty-one".