23313255533 has 2 divisors, whose sum is σ = 23313255534. Its totient is φ = 23313255532.

The previous prime is 23313255523. The next prime is 23313255587. The reversal of 23313255533 is 33555231332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16148818084 + 7164437449 = 127078^2 + 84643^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313255533 - 2⁴ = 23313255517 is a prime.

It is a super-2 number, since 2×23313255533² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23313255493 and 23313255502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313255523) 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, 11656627766 + 11656627767.

It is an arithmetic number, because the mean of its divisors is an integer number (11656627767).

Almost surely, 2^23313255533 is an apocalyptic number.

It is an amenable number.

23313255533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313255533 is an equidigital number, since it uses as much as digits as its factorization.

23313255533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 35.

Adding to 23313255533 its reverse (33555231332), we get a palindrome (56868486865).

The spelling of 23313255533 in words is "twenty-three billion, three hundred thirteen million, two hundred fifty-five thousand, five hundred thirty-three".