223303009973 has 2 divisors, whose sum is σ = 223303009974. Its totient is φ = 223303009972.

The previous prime is 223303009927. The next prime is 223303009999. The reversal of 223303009973 is 379900303322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148442219524 + 74860790449 = 385282^2 + 273607^2 .

It is a cyclic number.

It is not a de Polignac number, because 223303009973 - 2¹⁰ = 223303008949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223303009973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223303029973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111651504986 + 111651504987.

It is an arithmetic number, because the mean of its divisors is an integer number (111651504987).

Almost surely, 2^223303009973 is an apocalyptic number.

It is an amenable number.

223303009973 is a deficient number, since it is larger than the sum of its proper divisors (1).

223303009973 is an equidigital number, since it uses as much as digits as its factorization.

223303009973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 41.

It can be divided in two parts, 22330 and 3009973, that added together give a palindrome (3032303).

The spelling of 223303009973 in words is "two hundred twenty-three billion, three hundred three million, nine thousand, nine hundred seventy-three".