223065621523 has 2 divisors, whose sum is σ = 223065621524. Its totient is φ = 223065621522.

The previous prime is 223065621461. The next prime is 223065621539. The reversal of 223065621523 is 325126560322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223065621523 - 2⁹ = 223065621011 is a prime.

It is not a weakly prime, because it can be changed into another prime (223065621563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111532810761 + 111532810762.

It is an arithmetic number, because the mean of its divisors is an integer number (111532810762).

Almost surely, 2^223065621523 is an apocalyptic number.

223065621523 is a deficient number, since it is larger than the sum of its proper divisors (1).

223065621523 is an equidigital number, since it uses as much as digits as its factorization.

223065621523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 223065621523 in words is "two hundred twenty-three billion, sixty-five million, six hundred twenty-one thousand, five hundred twenty-three".