1223203103 has 2 divisors, whose sum is σ = 1223203104. Its totient is φ = 1223203102.

The previous prime is 1223203099. The next prime is 1223203139. The reversal of 1223203103 is 3013023221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223203103 - 2² = 1223203099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223200103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611601551 + 611601552.

It is an arithmetic number, because the mean of its divisors is an integer number (611601552).

Almost surely, 2^1223203103 is an apocalyptic number.

1223203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223203103 is an equidigital number, since it uses as much as digits as its factorization.

1223203103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223203103 is about 34974.3206224224. The cubic root of 1223203103 is about 1069.4640524979.

Adding to 1223203103 its reverse (3013023221), we get a palindrome (4236226324).

The spelling of 1223203103 in words is "one billion, two hundred twenty-three million, two hundred three thousand, one hundred three".