1223003043 has 20 divisors (see below), whose sum is σ = 1830009808. Its totient is φ = 813972240.

The previous prime is 1223003017. The next prime is 1223003057. The reversal of 1223003043 is 3403003221.

It is not a de Polignac number, because 1223003043 - 2⁵ = 1223003011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223003543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37338 + ... + 61968.

Almost surely, 2^1223003043 is an apocalyptic number.

1223003043 is a deficient number, since it is larger than the sum of its proper divisors (607006765).

1223003043 is an equidigital number, since it uses as much as digits as its factorization.

1223003043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25256 (or 25247 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1223003043 is about 34971.4604070233. The cubic root of 1223003043 is about 1069.4057442078.

Adding to 1223003043 its reverse (3403003221), we get a palindrome (4626006264).

The spelling of 1223003043 in words is "one billion, two hundred twenty-three million, three thousand, forty-three".