1223110323203 has 16 divisors (see below), whose sum is σ = 1318719811200. Its totient is φ = 1130677289280.

The previous prime is 1223110323199. The next prime is 1223110323271. The reversal of 1223110323203 is 3023230113221.

It is a cyclic number.

It is not a de Polignac number, because 1223110323203 - 2² = 1223110323199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223110320203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97943 + ... + 1567103.

It is an arithmetic number, because the mean of its divisors is an integer number (82419988200).

Almost surely, 2^{1223110323203} is an apocalyptic number.

1223110323203 is a deficient number, since it is larger than the sum of its proper divisors (95609487997).

1223110323203 is a wasteful number, since it uses less digits than its factorization.

1223110323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470242.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1223110323203 its reverse (3023230113221), we get a palindrome (4246340436424).

The spelling of 1223110323203 in words is "one trillion, two hundred twenty-three billion, one hundred ten million, three hundred twenty-three thousand, two hundred three".