1223110203 has 64 divisors (see below), whose sum is σ = 2030469120. Its totient is φ = 639055872.

The previous prime is 1223110129. The next prime is 1223110219. The reversal of 1223110203 is 3020113221.

It is not a de Polignac number, because 1223110203 - 2¹² = 1223106107 is a prime.

It is a super-3 number, since 3×1223110203³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223110223) 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 in 63 ways as a sum of consecutive naturals, for example, 2402713 + ... + 2403221.

It is an arithmetic number, because the mean of its divisors is an integer number (31726080).

Almost surely, 2^1223110203 is an apocalyptic number.

1223110203 is a deficient number, since it is larger than the sum of its proper divisors (807358917).

1223110203 is a wasteful number, since it uses less digits than its factorization.

1223110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1223110203 is about 34972.9924799123. The cubic root of 1223110203 is about 1069.4369772107.

Adding to 1223110203 its reverse (3020113221), we get a palindrome (4243223424).

The spelling of 1223110203 in words is "one billion, two hundred twenty-three million, one hundred ten thousand, two hundred three".