23323516553 has 2 divisors, whose sum is σ = 23323516554. Its totient is φ = 23323516552.

The previous prime is 23323516549. The next prime is 23323516577. The reversal of 23323516553 is 35561532332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14077347904 + 9246168649 = 118648^2 + 96157^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323516553 - 2² = 23323516549 is a prime.

It is a super-3 number, since 3×23323516553³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23323516453) 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, 11661758276 + 11661758277.

It is an arithmetic number, because the mean of its divisors is an integer number (11661758277).

Almost surely, 2^23323516553 is an apocalyptic number.

It is an amenable number.

23323516553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323516553 is an equidigital number, since it uses as much as digits as its factorization.

23323516553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 38.

The spelling of 23323516553 in words is "twenty-three billion, three hundred twenty-three million, five hundred sixteen thousand, five hundred fifty-three".