200003221123 has 2 divisors, whose sum is σ = 200003221124. Its totient is φ = 200003221122.

The previous prime is 200003221109. The next prime is 200003221127. The reversal of 200003221123 is 321122300002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200003221123 - 2¹⁷ = 200003090051 is a prime.

It is a super-2 number, since 2×200003221123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200003221097 and 200003221106.

It is not a weakly prime, because it can be changed into another prime (200003221127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001610561 + 100001610562.

It is an arithmetic number, because the mean of its divisors is an integer number (100001610562).

Almost surely, 2^200003221123 is an apocalyptic number.

200003221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200003221123 is an equidigital number, since it uses as much as digits as its factorization.

200003221123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200003221123 its reverse (321122300002), we get a palindrome (521125521125).

The spelling of 200003221123 in words is "two hundred billion, three million, two hundred twenty-one thousand, one hundred twenty-three".