1223331203 has 8 divisors (see below), whose sum is σ = 1299009600. Its totient is φ = 1148065920.

The previous prime is 1223331173. The next prime is 1223331211. The reversal of 1223331203 is 3021333221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223331203 - 2⁶ = 1223331139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223331803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97163 + ... + 109028.

It is an arithmetic number, because the mean of its divisors is an integer number (162376200).

Almost surely, 2^1223331203 is an apocalyptic number.

1223331203 is a deficient number, since it is larger than the sum of its proper divisors (75678397).

1223331203 is a wasteful number, since it uses less digits than its factorization.

1223331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206557.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1223331203 is about 34976.1519181284. The cubic root of 1223331203 is about 1069.5013844184.

Adding to 1223331203 its reverse (3021333221), we get a palindrome (4244664424).

The spelling of 1223331203 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred three".