1223103143 has 2 divisors, whose sum is σ = 1223103144. Its totient is φ = 1223103142.

The previous prime is 1223103121. The next prime is 1223103151. The reversal of 1223103143 is 3413013221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223103143 - 2²⁸ = 954667687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223193143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611551571 + 611551572.

It is an arithmetic number, because the mean of its divisors is an integer number (611551572).

Almost surely, 2^1223103143 is an apocalyptic number.

1223103143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223103143 is an equidigital number, since it uses as much as digits as its factorization.

1223103143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1223103143 is about 34972.8915447379. The cubic root of 1223103143 is about 1069.4349195494.

Adding to 1223103143 its reverse (3413013221), we get a palindrome (4636116364).

The spelling of 1223103143 in words is "one billion, two hundred twenty-three million, one hundred three thousand, one hundred forty-three".