223972709773 has 2 divisors, whose sum is σ = 223972709774. Its totient is φ = 223972709772.

The previous prime is 223972709771. The next prime is 223972709903. The reversal of 223972709773 is 377907279322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152569922404 + 71402787369 = 390602^2 + 267213^2 .

It is a cyclic number.

It is not a de Polignac number, because 223972709773 - 2¹ = 223972709771 is a prime.

Together with 223972709771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223972709771) 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, 111986354886 + 111986354887.

It is an arithmetic number, because the mean of its divisors is an integer number (111986354887).

Almost surely, 2^223972709773 is an apocalyptic number.

It is an amenable number.

223972709773 is a deficient number, since it is larger than the sum of its proper divisors (1).

223972709773 is an equidigital number, since it uses as much as digits as its factorization.

223972709773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14002632, while the sum is 58.

The spelling of 223972709773 in words is "two hundred twenty-three billion, nine hundred seventy-two million, seven hundred nine thousand, seven hundred seventy-three".