203323202121223 has 2 divisors, whose sum is σ = 203323202121224. Its totient is φ = 203323202121222.

The previous prime is 203323202121211. The next prime is 203323202121233. The reversal of 203323202121223 is 322121202323302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203323202121223 - 2⁵ = 203323202121191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203323202121191 and 203323202121200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203323202121233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101661601060611 + 101661601060612.

It is an arithmetic number, because the mean of its divisors is an integer number (101661601060612).

Almost surely, 2^{203323202121223} is an apocalyptic number.

203323202121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203323202121223 is an equidigital number, since it uses as much as digits as its factorization.

203323202121223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203323202121223 its reverse (322121202323302), we get a palindrome (525444404444525).

The spelling of 203323202121223 in words is "two hundred three trillion, three hundred twenty-three billion, two hundred two million, one hundred twenty-one thousand, two hundred twenty-three".