1223230220203 has 2 divisors, whose sum is σ = 1223230220204. Its totient is φ = 1223230220202.

The previous prime is 1223230220183. The next prime is 1223230220249. The reversal of 1223230220203 is 3020220323221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223230220203 - 2⁵ = 1223230220171 is a prime.

It is a super-2 number, since 2×1223230220203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1223230220293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611615110101 + 611615110102.

It is an arithmetic number, because the mean of its divisors is an integer number (611615110102).

Almost surely, 2^{1223230220203} is an apocalyptic number.

1223230220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223230220203 is an equidigital number, since it uses as much as digits as its factorization.

1223230220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1223230220203 its reverse (3020220323221), we get a palindrome (4243450543424).

The spelling of 1223230220203 in words is "one trillion, two hundred twenty-three billion, two hundred thirty million, two hundred twenty thousand, two hundred three".