22303323013 has 2 divisors, whose sum is σ = 22303323014. Its totient is φ = 22303323012.

The previous prime is 22303322983. The next prime is 22303323041. The reversal of 22303323013 is 31032330322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21602238529 + 701084484 = 146977^2 + 26478^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303323013 - 2¹³ = 22303314821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22303323113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151661506 + 11151661507.

It is an arithmetic number, because the mean of its divisors is an integer number (11151661507).

Almost surely, 2^22303323013 is an apocalyptic number.

It is an amenable number.

22303323013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303323013 is an equidigital number, since it uses as much as digits as its factorization.

22303323013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 22303323013 its reverse (31032330322), we get a palindrome (53335653335).

The spelling of 22303323013 in words is "twenty-two billion, three hundred three million, three hundred twenty-three thousand, thirteen".