23221316519 has 2 divisors, whose sum is σ = 23221316520. Its totient is φ = 23221316518.

The previous prime is 23221316453. The next prime is 23221316527. The reversal of 23221316519 is 91561312232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23221316519 - 2⁸ = 23221316263 is a prime.

It is a super-3 number, since 3×23221316519³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221316539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610658259 + 11610658260.

It is an arithmetic number, because the mean of its divisors is an integer number (11610658260).

Almost surely, 2^23221316519 is an apocalyptic number.

23221316519 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221316519 is an equidigital number, since it uses as much as digits as its factorization.

23221316519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The spelling of 23221316519 in words is "twenty-three billion, two hundred twenty-one million, three hundred sixteen thousand, five hundred nineteen".