23550559369 has 2 divisors, whose sum is σ = 23550559370. Its totient is φ = 23550559368.

The previous prime is 23550559327. The next prime is 23550559379. The reversal of 23550559369 is 96395505532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14163856144 + 9386703225 = 119012^2 + 96885^2 .

It is a cyclic number.

It is not a de Polignac number, because 23550559369 - 2¹¹ = 23550557321 is a prime.

It is a super-2 number, since 2×23550559369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23550559379) 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, 11775279684 + 11775279685.

It is an arithmetic number, because the mean of its divisors is an integer number (11775279685).

Almost surely, 2^23550559369 is an apocalyptic number.

It is an amenable number.

23550559369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23550559369 is an equidigital number, since it uses as much as digits as its factorization.

23550559369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5467500, while the sum is 52.

The spelling of 23550559369 in words is "twenty-three billion, five hundred fifty million, five hundred fifty-nine thousand, three hundred sixty-nine".