1223001303 has 4 divisors (see below), whose sum is σ = 1630668408. Its totient is φ = 815334200.

The previous prime is 1223001281. The next prime is 1223001319. The reversal of 1223001303 is 3031003221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1223001303 - 2¹⁰ = 1223000279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223001323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203833548 + ... + 203833553.

It is an arithmetic number, because the mean of its divisors is an integer number (407667102).

Almost surely, 2^1223001303 is an apocalyptic number.

1223001303 is a deficient number, since it is larger than the sum of its proper divisors (407667105).

1223001303 is an equidigital number, since it uses as much as digits as its factorization.

1223001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407667104.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1223001303 is about 34971.4355295861. The cubic root of 1223001303 is about 1069.4052370500.

Adding to 1223001303 its reverse (3031003221), we get a palindrome (4254004524).

The spelling of 1223001303 in words is "one billion, two hundred twenty-three million, one thousand, three hundred three".